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Pinworm (parasite)

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female becomes filled with eggs. The estimations of the number of eggs in a gravid female pinworm range from about 11,000 to 16,000. The egg-laying process begins about five weeks after initial ingestion of pinworm eggs by the human host. The gravid female pinworms migrate through the colon towards
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Foitová, Ivona; Civáňová, Kristína; Baruš, Vlastimil; Nurcahyo, Wisnu (1 July 2014). "Phylogenetic relationships between pinworms (Nematoda: Enterobiinae) parasitising the critically endangered orang-utan, according to the characterisation of molecular genomic and mitochondrial markers".
630: 959:, and while moving on the skin near the anus, the female pinworms deposit eggs either through (1) contracting and expelling the eggs, (2) dying and then disintegrating, or (3) bodily rupture due to the host scratching the worm. After depositing the eggs, the female becomes 775: 2095:
Nakano T, Okamoto M, Ikeda Y, Hasegawa H (December 2006). "Mitochondrial cytochrome c oxidase subunit 1 gene and nuclear rDNA regions of Enterobius vermicularis parasitic in captive chimpanzees with special reference to its relationship with pinworms in humans".
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Hasegawa H, Ikeda Y, Fujisaki A, et al. (December 2005). "Morphology of chimpanzee pinworms, Enterobius (Enterobius) anthropopitheci (Gedoelst, 1916) (Nematoda: Oxyuridae), collected from chimpanzees, Pan troglodytes, on Rubondo Island, Tanzania".
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in the anal area. Extraintestinal disease is rare and most commonly involves the female reproductive tract, but spleen abscess has also been reported. Enterobius vermicularis infections are found to be correlated with stunting and lower mean
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by 20 to 30 μm, and have a thick shell flattened on one side. The small size and colourlessness of the eggs make them invisible to the naked eye, except in barely visible clumps of thousands of eggs. Eggs may contain a developing
756: 1037:, pinworms are common among people living in close contact, and tends to occur in all people within a household. The prevalence of pinworms is not associated with gender, nor with any particular social class, 1751:
Agostinis, Paolo; Cappello, Dario; Riccardi, Niccolò; Michelutti, Teresa; Orsaria, Maria; Zerbato, Verena; Di Bella, Stefano (11 September 2023). Amoroso, Anthony; Nori, Priya; Riedel, David J (eds.).
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end, is 8 to 13 mm long, and 0.5 mm thick. The adult male is considerably smaller, measuring 2 to 5 mm long and 0.2 mm thick, and has a curved posterior end. The eggs are
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Panidis, Stavros; Paramythiotis, Daniel; Panagiotou, Dimitris; Batsis, Georgios; Salonikidis, Spyridon; Kaloutsi, Vassiliki; Michalopoulos, Antonios (1 January 2011).
605:(i.e., sexual organ). Its existence is controversial, however; Totkova et al. (2003) consider the evidence to be insufficient, and Hasegawa et al. (2006) contend that 324: 315: 266: 207: 381: 372: 276: 217: 26:
This article is about the nematode of the family Enterobius, known as pinworm in the US. For the different nematode known as pinworm in the rest of the world, see
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Hasegawa H, Takao Y, Nakao M, Fukuma T, Tsuruta O, Ide K (February 1998). "Is Enterobius gregorii Hugot, 1983 (Nematoda: Oxyuridae) a distinct species?".
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of embryonated eggs by inadequate hand washing or nail biting, inhalation followed by swallowing of airborne eggs may occur rarely. The eggs hatch in the
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Burkhart CN, Burkhart CG (October 2005). "Assessment of frequency, transmission, and genitourinary complications of enterobiasis (pinworms)".
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A fossilized nematode egg was detected in 240 million-year-old fossil dung, showing that parasitic pinworms already infested pre-mammalian
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in this age group having been reported as high as 61% in India, 50% in England, 39% in Thailand, 37% in Sweden, and 29% in Denmark.
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twice and become adults. Females survive for 5 to 13 weeks, and males about 7 weeks. The male and female pinworms mate in the
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is common in human children and transmitted via the faecal-oral route. Humans are the only natural host of
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and dies. The female emerges from the anus to obtain the oxygen necessary for the maturation of the eggs.
3775: 3587: 3582: 3569: 3246: 2895: 2802: 2443: 2251: 1438:"A Study of Gastrointestinal Parasites in Bonnet Macaque ( Macaca radiata) of Pookode, Wayanad, Kerala" 1379:"Acute appendicitis secondary to Enterobius vermicularis infection in a middle-aged man: a case report" 1300:"A Study of Gastrointestinal Parasites in Bonnet Macaques (Macaca radiata) of Pookode, Wayanad, Kerala" 569:(nematode), and three species of pinworm have been identified with certainty. Humans are hosts only to 166: 73: 888:
molts four times; the first two within the egg before hatching and two before becoming an adult worm.
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International Statistical Classification of Diseases and Related Health Problems (ICD) 10th Revision
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infection) in the United States, western Europe, and Oceania. In the United States, a study by the
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grow rapidly to a size of 140 to 150 μm, and migrate through the small intestine towards the
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distinguishable from the human pinworm. Hugot (1983) claims another species affects humans,
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Bahader, S. M.; Ali, G. S.; Shaalan, A. H.; Khalil, H. M.; Khalil, N. M. (1995).
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The pinworm has a worldwide distribution, and is the cause of the most common
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has been similarly associated. Because it spreads from host to host through
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of 11.4% among children. Pinworms are particularly common in children, with
3479: 3435: 3331: 3238: 3113: 2684: 2399: 2356: 2135:"[Enterobius gregorii (Oxyuridae, Nematoda), a new human parasite]" 2117: 2036: 1944: 1850: 1835: 1784: 1422: 1355: 1052: 806: 767: 748: 729: 710: 683: 474: 2306: 2288: 2197: 2160: 1866: 1768: 3660: 3554: 3466: 3451: 3307: 3188: 3169: 3160: 3148: 3002: 2966: 2948: 2915: 2901: 2693: 2619: 2564: 2499: 1753:"A 25-Year-Old Woman With Long-Lasting Abdominal Pain and Spleen Abscess" 1030: 642: 115: 766:
eggs, of the same size as early eggs but having undergone more mitoses.
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Diagnostic pathology of parasitic infections with clinical correlations
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and have a surface that adheres to objects. The eggs measure 50 to 60
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Graves, B.; Leder, K.; Sinickas, V.; Sheorey, H. (February 2018).
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has been shown to increase both incidence and relapse rates, and
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Two female pinworms next to a ruler: The markings are 1 mm apart.
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at a rate of 12 to 14 cm per hour. They emerge from the
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The entire life cycle, from egg to adult, takes place in the
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size. Throughout this article, the word "pinworm" refers to
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of a single host, from about 2–4 weeks or about 4–8 weeks.
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This article is about the organism. For the infection, see
1719: 33:"Oxyuris" redirects here. For the genus of nematodes, see 2236:(22nd ed.). Saunders Elsevier. pp. 1515–1519. 2320:. American Society for Microbiology. pp. 246–247. 1848: 876:
showing the stages inside and outside of the human body
481:) or less precisely as oxyuriasis in reference to the 449:(in the United Kingdom, Australia and New Zealand) or 2016:
Totkova A, Klobusicky M, Holkova R, Valent M (2003).
1682: 1680: 1678: 1676: 1601: 1516: 1514: 1512: 1510: 1508: 1506: 1663: 1661: 1659: 1599: 1597: 1595: 1593: 1591: 1589: 1587: 1585: 1583: 1581: 613:. Regardless of its status as a distinct species, 1673: 1646: 1644: 1642: 1640: 1553: 1551: 1549: 1503: 781:Pinworms are sometimes diagnosed incidentally by 670:Pinworms are sometimes diagnosed incidentally by 3742: 1656: 1578: 1568: 1566: 1547: 1545: 1543: 1541: 1539: 1537: 1535: 1533: 1531: 1529: 1117: 1115: 1113: 1111: 1109: 1107: 1855:Journal of the Egyptian Society of Parasitology 543:. In British usage, however, pinworm refers to 1637: 1269: 1234: 1232: 1230: 1218: 1216: 1094: 1092: 59:Pinworms (U.S.)/Threadworms (U.K.) ( 2444: 1873: 1563: 1526: 1248: 1246: 1104: 2424:Enterobius vermicularis image library at DPD 2139:Annales de Parasitologie Humaine et Comparée 1280: 1227: 1213: 1089: 658:. The larvae grow to 140–150 μm in length. 2947: 2451: 2437: 2317:Practical guide to diagnostic parasitology 1492: 1243: 50: 2389: 2296: 2150: 2018:"Enterobius gregorii—reality or fiction?" 1825: 1815: 1722:"Extraintestinal Enterobius vermicularis" 1412: 1394: 1257: 867: 724:Partially longitudinal cross-section of 628: 1891: 1797: 1483: 1481: 1192: 1190: 1188: 1186: 1184: 1182: 1180: 1178: 1176: 1174: 1172: 1170: 1168: 637:The adult female has a sharply pointed 3743: 1166: 1164: 1162: 1160: 1158: 1156: 1154: 1152: 1150: 1148: 939:, where they attach themselves to the 617:is considered clinically identical to 3521: 3520: 2432: 1079:(similarly named parasites and fungi) 820:Pinworm eggs are easily seen under a 3715:b928493c-4ba6-486d-a630-6853a2b6b372 3640:e64c6d51-cc9e-4709-a45d-0eecc196bfda 2374:"Pinworms (Enterobius Vermicularis)" 2337:International Journal of Dermatology 2001:Merriam-Webster's Medical Dictionary 1981:Merriam-Webster's Medical Dictionary 1975: 1478: 1467: 1297: 1197:Registry-Migration.Gbif.Org (2022). 891:Although infection often occurs via 2406: 2273:"Enterobius vermicularis infection" 1892:Mitrica, Dragos (2 December 2014). 1461: 1145: 13: 2204: 1995: 1686: 1520: 1435: 1286: 14: 3787: 2417: 2371: 2334: 2258:. World Health Organization. 2007 2167: 2094: 1921: 1667: 1605: 1238: 1222: 1098: 556: 2349:10.1111/j.1365-4632.2004.02332.x 2015: 1617: 1252: 849: 829: 813: 774: 755: 736: 717: 690: 663: 72: 2313: 1959: 1885: 1842: 1791: 1744: 1713: 1700:"Enterobiasis leads to itching" 1692: 1650: 1611: 1455: 1429: 1383:Journal of Medical Case Reports 1370: 1318: 1291: 1263: 1000: 3761:Parasitic nematodes of mammals 2132: 1498: 911:. During this migration, they 1: 3756:Parasitic nematodes of humans 2372:Caldwell JP (February 1982). 2270: 2225: 1914: 1879: 1572: 1557: 1276:Merriam-Webster: Enterobiasis 997:among prepubescent children. 980:causes the medical condition 943:and ingest colonic contents. 863: 654:or a fully developed pinworm 624: 601:, and has a slightly smaller 2910:Diphyllobothrium mansonoides 2314:Garcia, Lynne Shore (2009). 1757:Clinical Infectious Diseases 1738:10.1016/j.pathol.2017.12.322 1606:Burkhart & burkhart 2005 1298:C.P., Arjun (October 2015). 1055:to 7837 BC found in western 966: 946:Almost the entire body of a 882:human gastrointestinal tract 836:This micrograph reveals the 7: 3247:Angiostrongylus cantonensis 2896:Spirometra erinaceieuropaei 2170:The Journal of Parasitology 2152:10.1051/parasite/1983584403 2025:Bratislavské Lekárske Listy 1925:The Journal of Parasitology 1474:NCBI taxonomy database 2009 1306:. Zoo Outreach Organization 1287:Merriam-Webster: Oxyuriasis 1062: 988:, whose primary symptom is 10: 3792: 2271:Cook GC (September 1994). 2233:Manson's tropical diseases 1798:Guan, M.; Han, B. (2019). 1436:CP, Arjun (October 2015). 970: 840:alae in the head region of 583:Enterobius anthropopitheci 513:Enterobius anthropopitheci 167:Enterobius anthropopitheci 32: 25: 18: 3529: 3487:Capillaria philippinensis 3450: 3419: 3410:Halicephalobus gingivalis 3381:Strongyloides stercoralis 3370: 3277: 3187: 3159: 3112: 3001: 2992: 2965: 2956: 2934: 2871: 2787: 2772: 2683: 2650: 2563: 2498: 2483: 2470: 2378:Canadian Family Physician 2205:Gutiérrez, Yezid (2000). 2110:10.1007/s00436-006-0238-4 2070: 2050: 1963:. Encyclopædia Britannica 1817:10.1186/s12889-019-7538-y 1620:"Enterobius vermicularis" 1487: 1473: 1340:10.1007/s00436-014-3892-y 1015:Center of Disease Control 899:(i.e., first part of the 461:(roundworm) and a common 162: 157: 69:Scientific classification 67: 58: 49: 44: 28:Strongyloides stercoralis 3493:Intestinal capillariasis 2588:Dicrocoelium dendriticum 2250: 1199:"GBIF Backbone Taxonomy" 1083: 927:(i.e., beginning of the 903:). The emerging pinworm 593:, which is supposedly a 499:. Other species seen in 3480:Trichuriasis / Whipworm 3430:Enterobius vermicularis 3225:Cutaneous larva migrans 2798:Echinococcus granulosus 2738:Heterophyes heterophyes 2724:Gastrodiscoides hominis 2547:Trichobilharzia regenti 1396:10.1186/1752-1947-5-559 1275: 1264:Encyclopædia Britannica 743:Cross-section of early 726:Enterobius vermicularis 571:Enterobius vermicularis 533:Enterobius vermicularis 525:Enterobius vermicularis 521:Enterobius vermicularis 493:Enterobius vermicularis 442:Enterobius vermicularis 400:Enterobius vermicularis 325:Enterobius paraguerezae 316:Enterobius magnispicula 267:Enterobius interlabiata 208:Enterobius callithricis 61:Enterobius vermicularis 3328:Visceral larva migrans 3123:Gnathostoma spinigerum 2976:Dracunculus medinensis 2882:Diphyllobothrium latum 2661:Paragonimus westermani 2628:Opisthorchis viverrini 2409:Village Medical Manual 2056:NCBI taxonomy database 1464:, p. B-152 & B-225 877: 634: 609:is a younger stage of 553:is called threadworm. 382:Enterobius schaefferae 373:Enterobius pygatrichus 277:Enterobius lagothricis 218:Enterobius duplicidens 3771:Parasites of primates 3209:Ancylostoma duodenale 2752:Metagonimus yokogawai 2407:Vanderkooi M (2000). 2289:10.1136/gut.35.9.1159 2098:Parasitology Research 2046:on 10 September 2011. 1328:Parasitology Research 871: 632: 575:Oxyurias vermicularis 188:Enterobius brevicauda 3766:Parasites of equines 3635:Fauna Europaea (new) 3461:Trichinella spiralis 3288:Ascaris lumbricoides 3102:Lymphatic filariasis 3084:Wuchereria bancrofti 1624:Animal Diversity Web 1239:Hasegawa et al. 2006 1223:Hasegawa et al. 1998 1201:. GBIF Secretariat. 1099:Hasegawa et al. 2005 1017:reported an overall 334:Enterobius parallela 228:Enterobius emodensis 173:(chimpanzee pinworm) 3475:Trichuris trichiura 3402:Trichostrongyliasis 3018:Onchocerca volvulus 2574:Clonorchis sinensis 2509:Schistosoma mansoni 2490:Trematode infection 2252:"B80: Enterobiasis" 2082:on 27 November 2013 1769:10.1093/cid/ciad047 1445:Zoos' Print Journal 1304:Zoos' Print Journal 1253:Totkova et al. 2003 789:of male pinworm in 697:High magnification 678:of pinworms in the 591:Enterobius gregorii 561:The pinworm (genus 529:Enterobius gregorii 505:Enterobius buckleyi 495:were reported from 463:intestinal parasite 391:Enterobius shriveri 247:Enterobius gregorii 237:Enterobius foecunda 198:Enterobius buckleyi 3776:Colorectal surgery 3361:Parascaris equorum 3347:Dioctophyme renale 3253:Angiostrongyliasis 3233:Necator americanus 3203:Hookworm infection 3063:Dirofilaria repens 2888:Diphyllobothriasis 2779:Tapeworm infection 2710:Fasciolopsis buski 2228:Zumla, Alimuddin I 878: 635: 491:Other than human, 363:Enterobius polyoon 353:Enterobius pitheci 344:Enterobius pesteri 297:Enterobius lerouxi 287:Enterobius lemuris 258:Enterobius inglisi 35:Oxyuris (nematode) 3738: 3737: 3723:Open Tree of Life 3523:Taxon identifiers 3514: 3513: 3510: 3509: 3446: 3445: 3183: 3182: 3179: 3178: 2930: 2929: 2926: 2925: 2804:E. multilocularis 2768: 2767: 2608:Fasciola hepatica 2460:Parasitic disease 2327:978-1-55581-154-9 2243:978-1-4160-4470-3 2218:978-0-19-512143-8 2133:Hugot JP (1983). 2003:. Merriam-Webster 1983:. Merriam-Webster 1937:10.1645/GE-569R.1 1804:BMC Public Health 982:pinworm infection 973:Pinworm infection 471:pinworm infection 445:), also known as 430: 429: 424: 413: 395: 386: 377: 368: 358: 348: 339: 329: 320: 311: 307:Enterobius macaci 302: 292: 282: 272: 262: 252: 242: 232: 223: 213: 203: 193: 183: 178:Enterobius atelis 172: 153: 21:Pinworm infection 3783: 3731: 3730: 3718: 3717: 3708: 3707: 3695: 3694: 3682: 3681: 3669: 3668: 3656: 3655: 3643: 3642: 3630: 3629: 3617: 3616: 3604: 3603: 3591: 3590: 3578: 3577: 3565: 3564: 3563: 3550: 3549: 3548: 3518: 3517: 3395:Trichostrongylus 3387:Strongyloidiasis 3267:Metastrongylosis 2999: 2998: 2963: 2962: 2954: 2953: 2945: 2944: 2849:Hymenolepis nana 2785: 2784: 2685:Intestinal fluke 2496: 2495: 2481: 2480: 2453: 2446: 2439: 2430: 2429: 2412: 2403: 2393: 2368: 2331: 2310: 2300: 2267: 2265: 2263: 2247: 2226:Cook, Gordon C; 2222: 2201: 2164: 2154: 2129: 2091: 2089: 2087: 2067: 2065: 2063: 2047: 2045: 2039:. Archived from 2022: 2012: 2010: 2008: 1992: 1990: 1988: 1972: 1970: 1968: 1956: 1909: 1908: 1906: 1904: 1889: 1883: 1877: 1871: 1870: 1846: 1840: 1839: 1829: 1819: 1795: 1789: 1788: 1748: 1742: 1741: 1717: 1711: 1710: 1708: 1706: 1696: 1690: 1684: 1671: 1665: 1654: 1648: 1635: 1634: 1632: 1630: 1615: 1609: 1603: 1576: 1573:Cook et al. 2009 1570: 1561: 1555: 1524: 1518: 1501: 1496: 1490: 1485: 1476: 1471: 1465: 1459: 1453: 1452: 1442: 1433: 1427: 1426: 1416: 1398: 1374: 1368: 1367: 1334:(7): 2455–2466. 1322: 1316: 1315: 1313: 1311: 1295: 1289: 1284: 1278: 1273: 1267: 1261: 1255: 1250: 1241: 1236: 1225: 1220: 1211: 1210: 1194: 1143: 1142: 1140: 1138: 1119: 1102: 1096: 1023:prevalence rates 853: 833: 817: 801:(red arrow) and 778: 759: 740: 721: 701:of a pinworm in 694: 667: 422: 419:Enterobius yagoi 403: 394: 385: 376: 366: 356: 347: 337: 328: 319: 310: 300: 290: 280: 270: 261: 250: 240: 231: 221: 211: 201: 191: 181: 171:(Gedoelst, 1916) 170: 151: 77: 76: 54: 42: 41: 3791: 3790: 3786: 3785: 3784: 3782: 3781: 3780: 3741: 3740: 3739: 3734: 3726: 3721: 3713: 3711: 3703: 3698: 3690: 3685: 3677: 3672: 3664: 3659: 3651: 3646: 3638: 3633: 3625: 3620: 3612: 3607: 3599: 3594: 3586: 3581: 3573: 3568: 3559: 3558: 3553: 3544: 3543: 3538: 3525: 3515: 3506: 3442: 3415: 3366: 3273: 3221:Ancylostomiasis 3191: 3175: 3155: 3135:Gnathostomiasis 3108: 3005: 2988: 2939: 2936: 2922: 2873:Pseudophyllidea 2867: 2818:Taenia saginata 2776: 2764: 2716:Fasciolopsiasis 2701:Echinostomiasis 2679: 2646: 2640:Opisthorchiasis 2559: 2539:Schistosomiasis 2533:S. intercalatum 2487: 2485:Fluke/trematode 2476: 2473: 2466: 2457: 2420: 2415: 2411:(5th ed.). 2328: 2261: 2259: 2244: 2219: 2182:10.2307/3284542 2085: 2083: 2061: 2059: 2043: 2020: 2006: 2004: 1986: 1984: 1966: 1964: 1917: 1912: 1902: 1900: 1890: 1886: 1878: 1874: 1847: 1843: 1796: 1792: 1749: 1745: 1718: 1714: 1704: 1702: 1698: 1697: 1693: 1685: 1674: 1666: 1657: 1649: 1638: 1628: 1626: 1616: 1612: 1604: 1579: 1571: 1564: 1556: 1527: 1519: 1504: 1497: 1493: 1486: 1479: 1472: 1468: 1462:Vanderkooi 2000 1460: 1456: 1440: 1434: 1430: 1375: 1371: 1323: 1319: 1309: 1307: 1296: 1292: 1285: 1281: 1274: 1270: 1262: 1258: 1251: 1244: 1237: 1228: 1221: 1214: 1207:10.15468/39omei 1195: 1146: 1136: 1134: 1121: 1120: 1105: 1097: 1090: 1086: 1065: 1003: 978:E. vermicularis 975: 969: 937:ascending colon 929:large intestine 901:small intestine 886:E. vermicularis 874:E. vermicularis 866: 859: 857:E. vermicularis 854: 845: 842:E. vermicularis 834: 825: 818: 809: 805:(black arrow), 779: 770: 764:E. vermicularis 760: 751: 745:E. vermicularis 741: 732: 722: 713: 695: 686: 668: 627: 619:E. vermicularis 611:E. vermicularis 599:E. vermicularis 587:morphologically 565:) is a type of 559: 414:(human pinworm) 367:(Linstow, 1909) 338:(Linstow, 1908) 301:Sandosham, 1950 271:Sandosham, 1950 241:(Linstow, 1879) 202:Sandosham, 1950 192:Sandosham, 1950 150: 71: 38: 31: 24: 17: 16:Species of worm 12: 11: 5: 3789: 3779: 3778: 3773: 3768: 3763: 3758: 3753: 3736: 3735: 3733: 3732: 3719: 3709: 3696: 3683: 3670: 3657: 3644: 3631: 3622:Fauna Europaea 3618: 3605: 3592: 3579: 3566: 3551: 3535: 3533: 3527: 3526: 3512: 3511: 3508: 3507: 3505: 3504: 3497: 3496: 3495: 3483: 3471: 3470: 3469: 3456: 3454: 3448: 3447: 3444: 3443: 3441: 3440: 3439: 3438: 3425: 3423: 3417: 3416: 3414: 3413: 3406: 3405: 3404: 3391: 3390: 3389: 3376: 3374: 3368: 3367: 3365: 3364: 3357: 3356: 3355: 3353:Dioctophymosis 3343: 3336: 3335: 3334: 3316:Toxocara canis 3312: 3311: 3310: 3298: 3297: 3296: 3283: 3281: 3275: 3274: 3272: 3271: 3270: 3269: 3261:Metastrongylus 3257: 3256: 3255: 3243: 3242: 3241: 3229: 3228: 3227: 3215:A. braziliense 3205: 3199: 3197: 3185: 3184: 3181: 3180: 3177: 3176: 3174: 3173: 3165: 3163: 3157: 3156: 3154: 3153: 3152: 3151: 3139: 3138: 3137: 3118: 3116: 3110: 3109: 3107: 3106: 3105: 3104: 3080: 3079: 3078: 3076:Dirofilariasis 3066: 3059: 3058: 3057: 3055:Mansonelliasis 3045: 3044: 3043: 3028: 3027: 3026: 3024:Onchocerciasis 3013: 3011: 2996: 2990: 2989: 2987: 2986: 2985: 2984: 2982:Dracunculiasis 2971: 2969: 2960: 2951: 2942: 2932: 2931: 2928: 2927: 2924: 2923: 2921: 2920: 2919: 2918: 2906: 2905: 2904: 2892: 2891: 2890: 2877: 2875: 2869: 2868: 2866: 2865: 2864: 2863: 2861:Hymenolepiasis 2845: 2844: 2843: 2814: 2813: 2812: 2810:Echinococcosis 2793: 2791: 2789:Cyclophyllidea 2782: 2770: 2769: 2766: 2765: 2763: 2762: 2761: 2760: 2758:Metagonimiasis 2748: 2747: 2746: 2744:Heterophyiasis 2734: 2733: 2732: 2730:Amphistomiasis 2720: 2719: 2718: 2706: 2705: 2704: 2689: 2687: 2681: 2680: 2678: 2677: 2676: 2675: 2673:Paragonimiasis 2656: 2654: 2648: 2647: 2645: 2644: 2643: 2642: 2624: 2623: 2622: 2604: 2603: 2602: 2600:Dicrocoeliasis 2584: 2583: 2582: 2569: 2567: 2561: 2560: 2558: 2557: 2556: 2555: 2553:Swimmer's itch 2543: 2542: 2541: 2527:S. haematobium 2504: 2502: 2493: 2478: 2468: 2467: 2456: 2455: 2448: 2441: 2433: 2427: 2426: 2419: 2418:External links 2416: 2414: 2413: 2404: 2369: 2343:(10): 837–40. 2332: 2326: 2311: 2283:(9): 1159–62. 2268: 2248: 2242: 2223: 2217: 2202: 2165: 2130: 2092: 2072:"Enterobiasis" 2068: 2048: 2013: 1993: 1977:"Enterobiasis" 1973: 1957: 1918: 1916: 1913: 1911: 1910: 1884: 1872: 1861:(1): 183–194. 1841: 1790: 1763:(5): 795–798. 1743: 1712: 1691: 1687:Gutiérrez 2005 1672: 1655: 1636: 1610: 1577: 1562: 1525: 1521:Gutiérrez 2005 1502: 1491: 1477: 1466: 1454: 1428: 1369: 1317: 1290: 1279: 1268: 1256: 1242: 1226: 1212: 1144: 1103: 1087: 1085: 1082: 1081: 1080: 1064: 1061: 1027:Finger sucking 1019:incidence rate 1011:parasitic worm 1002: 999: 984:also known as 971:Main article: 968: 965: 872:Life cycle of 865: 862: 861: 860: 855: 848: 846: 835: 828: 826: 819: 812: 810: 797:(blue arrow), 780: 773: 771: 761: 754: 752: 742: 735: 733: 723: 716: 714: 696: 689: 687: 669: 662: 626: 623: 595:sister species 558: 557:Classification 555: 497:bonnet macaque 455:parasitic worm 428: 427: 426: 425: 415: 396: 387: 378: 369: 359: 349: 340: 330: 321: 312: 303: 293: 283: 273: 263: 254: 243: 233: 224: 214: 204: 194: 184: 174: 160: 159: 155: 154: 143: 139: 138: 133: 129: 128: 123: 119: 118: 113: 109: 108: 103: 99: 98: 93: 89: 88: 83: 79: 78: 65: 64: 56: 55: 47: 46: 15: 9: 6: 4: 3: 2: 3788: 3777: 3774: 3772: 3769: 3767: 3764: 3762: 3759: 3757: 3754: 3752: 3749: 3748: 3746: 3729: 3724: 3720: 3716: 3710: 3706: 3701: 3697: 3693: 3688: 3684: 3680: 3675: 3671: 3667: 3662: 3658: 3654: 3649: 3645: 3641: 3636: 3632: 3628: 3623: 3619: 3615: 3610: 3606: 3602: 3597: 3593: 3589: 3584: 3580: 3576: 3571: 3567: 3562: 3556: 3552: 3547: 3541: 3537: 3536: 3534: 3532: 3528: 3524: 3519: 3503: 3502: 3498: 3494: 3491: 3490: 3489: 3488: 3484: 3481: 3477: 3476: 3472: 3468: 3465: 3464: 3463: 3462: 3458: 3457: 3455: 3453: 3449: 3437: 3434: 3433: 3432: 3431: 3427: 3426: 3424: 3422: 3418: 3412: 3411: 3407: 3403: 3400: 3399: 3398: 3396: 3392: 3388: 3385: 3384: 3383: 3382: 3378: 3377: 3375: 3373: 3369: 3363: 3362: 3358: 3354: 3351: 3350: 3349: 3348: 3344: 3342: 3341: 3340:Baylisascaris 3337: 3333: 3329: 3326: 3325: 3324: 3323: 3318: 3317: 3313: 3309: 3306: 3305: 3304: 3303: 3299: 3295: 3292: 3291: 3290: 3289: 3285: 3284: 3282: 3280: 3276: 3268: 3265: 3264: 3263: 3262: 3258: 3254: 3251: 3250: 3249: 3248: 3244: 3240: 3237: 3236: 3235: 3234: 3230: 3226: 3222: 3219: 3218: 3217: 3216: 3211: 3210: 3206: 3204: 3201: 3200: 3198: 3195: 3190: 3186: 3172: 3171: 3167: 3166: 3164: 3162: 3158: 3150: 3147: 3146: 3145: 3144: 3140: 3136: 3133: 3132: 3131: 3130: 3125: 3124: 3120: 3119: 3117: 3115: 3111: 3103: 3100: 3099: 3098: 3097: 3092: 3091: 3090:Brugia malayi 3086: 3085: 3081: 3077: 3074: 3073: 3072: 3071: 3067: 3065: 3064: 3060: 3056: 3053: 3052: 3051: 3050: 3046: 3042: 3040: 3036: 3035: 3034: 3033: 3029: 3025: 3022: 3021: 3020: 3019: 3015: 3014: 3012: 3009: 3004: 3000: 2997: 2995: 2991: 2983: 2980: 2979: 2978: 2977: 2973: 2972: 2970: 2968: 2964: 2961: 2959: 2955: 2952: 2950: 2946: 2943: 2941: 2933: 2917: 2914: 2913: 2912: 2911: 2907: 2903: 2900: 2899: 2898: 2897: 2893: 2889: 2886: 2885: 2884: 2883: 2879: 2878: 2876: 2874: 2870: 2862: 2859: 2858: 2857: 2856: 2851: 2850: 2846: 2842: 2841:Cysticercosis 2838: 2835: 2834: 2833: 2831: 2826: 2825: 2820: 2819: 2815: 2811: 2808: 2807: 2806: 2805: 2800: 2799: 2795: 2794: 2792: 2790: 2786: 2783: 2780: 2775: 2771: 2759: 2756: 2755: 2754: 2753: 2749: 2745: 2742: 2741: 2740: 2739: 2735: 2731: 2728: 2727: 2726: 2725: 2721: 2717: 2714: 2713: 2712: 2711: 2707: 2703: 2702: 2698: 2697: 2696: 2695: 2691: 2690: 2688: 2686: 2682: 2674: 2671: 2670: 2669: 2668: 2667:P. kellicotti 2663: 2662: 2658: 2657: 2655: 2653: 2649: 2641: 2638: 2637: 2636: 2635: 2630: 2629: 2625: 2621: 2618: 2617: 2616: 2615: 2610: 2609: 2605: 2601: 2598: 2597: 2596: 2595: 2590: 2589: 2585: 2581: 2580:Clonorchiasis 2578: 2577: 2576: 2575: 2571: 2570: 2568: 2566: 2562: 2554: 2551: 2550: 2549: 2548: 2544: 2540: 2537: 2536: 2535: 2534: 2529: 2528: 2523: 2522: 2517: 2516: 2511: 2510: 2506: 2505: 2503: 2501: 2497: 2494: 2491: 2486: 2482: 2479: 2475: 2474:platyhelminth 2469: 2465: 2464:helminthiases 2461: 2454: 2449: 2447: 2442: 2440: 2435: 2434: 2431: 2425: 2422: 2421: 2410: 2405: 2401: 2397: 2392: 2387: 2383: 2379: 2375: 2370: 2366: 2362: 2358: 2354: 2350: 2346: 2342: 2338: 2333: 2329: 2323: 2319: 2318: 2312: 2308: 2304: 2299: 2294: 2290: 2286: 2282: 2278: 2274: 2269: 2257: 2253: 2249: 2245: 2239: 2235: 2234: 2229: 2224: 2220: 2214: 2210: 2209: 2203: 2199: 2195: 2191: 2187: 2183: 2179: 2175: 2171: 2166: 2162: 2158: 2153: 2148: 2144: 2141:(in French). 2140: 2136: 2131: 2127: 2123: 2119: 2115: 2111: 2107: 2103: 2099: 2093: 2081: 2077: 2073: 2069: 2057: 2053: 2049: 2042: 2038: 2034: 2030: 2026: 2019: 2014: 2002: 1998: 1994: 1982: 1978: 1974: 1962: 1958: 1954: 1950: 1946: 1942: 1938: 1934: 1931:(6): 1314–7. 1930: 1926: 1920: 1919: 1899: 1895: 1888: 1881: 1876: 1868: 1864: 1860: 1856: 1852: 1845: 1837: 1833: 1828: 1823: 1818: 1813: 1809: 1805: 1801: 1794: 1786: 1782: 1778: 1774: 1770: 1766: 1762: 1758: 1754: 1747: 1739: 1735: 1732:: S113–S114. 1731: 1727: 1723: 1716: 1701: 1695: 1688: 1683: 1681: 1679: 1677: 1669: 1668:Caldwell 1982 1664: 1662: 1660: 1652: 1647: 1645: 1643: 1641: 1625: 1621: 1614: 1607: 1602: 1600: 1598: 1596: 1594: 1592: 1590: 1588: 1586: 1584: 1582: 1574: 1569: 1567: 1559: 1554: 1552: 1550: 1548: 1546: 1544: 1542: 1540: 1538: 1536: 1534: 1532: 1530: 1522: 1517: 1515: 1513: 1511: 1509: 1507: 1500: 1495: 1489: 1484: 1482: 1475: 1470: 1463: 1458: 1450: 1446: 1439: 1432: 1424: 1420: 1415: 1410: 1406: 1402: 1397: 1392: 1388: 1384: 1380: 1373: 1365: 1361: 1357: 1353: 1349: 1345: 1341: 1337: 1333: 1329: 1321: 1305: 1301: 1294: 1288: 1283: 1277: 1272: 1265: 1260: 1254: 1249: 1247: 1240: 1235: 1233: 1231: 1224: 1219: 1217: 1208: 1204: 1200: 1193: 1191: 1189: 1187: 1185: 1183: 1181: 1179: 1177: 1175: 1173: 1171: 1169: 1167: 1165: 1163: 1161: 1159: 1157: 1155: 1153: 1151: 1149: 1132: 1131:NCBI taxonomy 1128: 1126: 1118: 1116: 1114: 1112: 1110: 1108: 1100: 1095: 1093: 1088: 1078: 1074: 1070: 1067: 1066: 1060: 1058: 1054: 1051: 1047: 1042: 1040: 1036: 1035:contamination 1032: 1028: 1024: 1020: 1016: 1012: 1008: 1007:helminthiasis 998: 996: 991: 987: 983: 979: 974: 964: 962: 958: 954: 949: 944: 942: 938: 934: 930: 926: 922: 918: 914: 910: 906: 902: 898: 894: 889: 887: 883: 875: 870: 858: 852: 847: 843: 839: 832: 827: 823: 816: 811: 808: 807:H&E stain 804: 800: 796: 792: 791:cross section 788: 784: 777: 772: 769: 768:H&E stain 765: 758: 753: 750: 749:H&E stain 746: 739: 734: 731: 730:H&E stain 727: 720: 715: 712: 711:H&E stain 708: 704: 703:cross section 700: 693: 688: 685: 684:H&E stain 681: 677: 673: 666: 661: 660: 659: 657: 653: 648: 644: 640: 631: 622: 620: 616: 612: 608: 604: 600: 596: 592: 588: 584: 580: 576: 572: 568: 564: 554: 552: 548: 547: 546:Strongyloides 542: 538: 534: 530: 526: 522: 518: 514: 510: 506: 502: 498: 494: 489: 487: 484: 480: 479:helminthiasis 477:) (a type of 476: 472: 468: 464: 460: 456: 452: 448: 444: 443: 439: 435: 421: 420: 416: 411: 407: 402: 401: 397: 393: 392: 388: 384: 383: 379: 375: 374: 370: 365: 364: 360: 357:Cameron, 1929 355: 354: 350: 346: 345: 341: 336: 335: 331: 327: 326: 322: 318: 317: 313: 309: 308: 304: 299: 298: 294: 289: 288: 284: 281:Buckley, 1931 279: 278: 274: 269: 268: 264: 260: 259: 255: 251:(Hugot, 1983) 249: 248: 244: 239: 238: 234: 230: 229: 225: 222:Buckley, 1931 220: 219: 215: 212:Solomon, 1932 210: 209: 205: 200: 199: 195: 190: 189: 185: 182:Cameron, 1929 180: 179: 175: 169: 168: 164: 163: 161: 156: 149: 148: 144: 141: 140: 137: 134: 131: 130: 127: 124: 121: 120: 117: 114: 111: 110: 107: 104: 101: 100: 97: 94: 91: 90: 87: 84: 81: 80: 75: 70: 66: 62: 57: 53: 48: 43: 40: 36: 29: 22: 3530: 3500: 3485: 3473: 3459: 3436:Enterobiasis 3428: 3408: 3394: 3379: 3359: 3345: 3338: 3332:Toxocariasis 3321: 3314: 3300: 3286: 3259: 3245: 3239:Necatoriasis 3231: 3214: 3207: 3168: 3141: 3128: 3121: 3114:Thelazioidea 3095: 3088: 3082: 3069: 3061: 3047: 3038: 3030: 3016: 2974: 2908: 2894: 2881: 2854: 2847: 2829: 2823: 2816: 2803: 2796: 2750: 2736: 2722: 2708: 2699: 2692: 2666: 2659: 2633: 2626: 2614:F. gigantica 2613: 2606: 2593: 2586: 2572: 2545: 2532: 2526: 2520: 2515:S. japonicum 2514: 2507: 2408: 2381: 2377: 2340: 2336: 2316: 2280: 2276: 2260:. Retrieved 2255: 2232: 2207: 2176:(1): 131–4. 2173: 2169: 2145:(4): 403–4. 2142: 2138: 2101: 2097: 2084:. Retrieved 2080:the original 2075: 2060:. Retrieved 2055: 2052:"Enterobius" 2041:the original 2031:(3): 130–3. 2028: 2024: 2005:. Retrieved 2000: 1997:"Oxyuriasis" 1985:. Retrieved 1980: 1965:. Retrieved 1928: 1924: 1901:. Retrieved 1897: 1887: 1875: 1858: 1854: 1844: 1807: 1803: 1793: 1760: 1756: 1746: 1729: 1725: 1715: 1703:. Retrieved 1694: 1627:. Retrieved 1623: 1618:Rett, Doug. 1613: 1494: 1469: 1457: 1448: 1444: 1431: 1386: 1382: 1372: 1331: 1327: 1320: 1308:. Retrieved 1303: 1293: 1282: 1271: 1259: 1135:. Retrieved 1130: 1124: 1053:carbon dated 1043: 1004: 1001:Distribution 986:enterobiasis 985: 977: 976: 945: 890: 885: 879: 873: 856: 841: 763: 744: 725: 636: 618: 614: 610: 606: 598: 590: 582: 581:are host to 574: 570: 562: 560: 550: 544: 540: 532: 528: 524: 520: 512: 504: 492: 490: 475:enterobiasis 450: 446: 441: 440: 433: 431: 423:Sutton, 1979 417: 398: 389: 380: 371: 361: 351: 342: 332: 323: 314: 305: 295: 285: 275: 265: 256: 245: 235: 226: 216: 206: 196: 186: 176: 165: 146: 145: 60: 39: 3661:iNaturalist 3555:Wikispecies 3501:C. hepatica 3467:Trichinosis 3452:Adenophorea 3308:Anisakiasis 3189:Strongylida 3170:Gongylonema 3161:Spiruroidea 3149:Thelaziasis 3129:G. hispidum 3003:Filarioidea 2967:Camallanida 2949:Secernentea 2916:Sparganosis 2902:Sparganosis 2855:H. diminuta 2824:T. asiatica 2694:Echinostoma 2634:O. felineus 2620:Fasciolosis 2565:Liver fluke 2500:Blood fluke 2104:(1): 51–7. 1903:14 February 1898:ZME Science 1810:(1): 1204. 1651:Garcia 1999 1137:28 February 1031:nail biting 643:translucent 615:E. gregorii 607:E. gregorii 585:, which is 579:Chimpanzees 535:except the 457:. It is a 291:Baehr, 1935 152:Baird, 1853 116:Chromadorea 3745:Categories 3575:Enterobius 3561:Enterobius 3531:Enterobius 3372:Rhabditida 3294:Ascariasis 3279:Ascaridida 3070:D. immitis 3049:Mansonella 3041:filariasis 3008:Filariasis 2935:Roundworm/ 2652:Lung fluke 2521:S. mekongi 2462:caused by 2262:5 December 1915:References 1499:Hugot 1983 1310:20 October 1125:Enterobius 1050:coprolites 864:Life cycle 822:microscope 787:Micrograph 699:micrograph 676:Micrograph 625:Morphology 573:(formerly 563:Enterobius 551:Enterobius 541:Enterobius 517:chimpanzee 447:threadworm 253:(disputed) 147:Enterobius 126:Rhabditida 3096:B. timori 2994:Spirurida 2940:infection 2837:Taeniasis 2830:T. solium 2594:D. hospes 2477:infection 2472:Flatworm/ 2384:: 306–9. 1961:"Pinworm" 1882:, p. 1160 1880:Cook 1994 1777:1058-4838 1726:Pathology 1705:20 August 1689:, p. 355. 1670:, p. 307. 1629:4 January 1575:, p. 1516 1560:, p. 1159 1558:Cook 1994 1523:, p. 354. 1488:dpdx 2009 1405:1752-1947 1348:1432-1955 1069:Roundworm 1046:cynodonts 967:Infection 893:ingestion 799:intestine 783:pathology 672:pathology 639:posterior 567:roundworm 509:Orangutan 486:Oxyuridae 136:Oxyuridae 92:Kingdom: 86:Eukaryota 3751:Oxyurida 3540:Wikidata 3421:Oxyurida 3302:Anisakis 3194:hookworm 3143:Thelazia 2958:Spiruria 2938:Nematode 2400:21286054 2357:16207185 2230:(2009). 2126:32762371 2118:16788831 2037:12940699 1953:32110983 1945:16539010 1836:31477069 1785:37696671 1653:, p. 246 1608:, p. 837 1423:22128765 1364:15076891 1356:24880237 1077:ringworm 1073:hookworm 1063:See also 933:appendix 897:duodenum 838:cephalic 707:appendix 680:appendix 549:, while 503:include 501:primates 467:helminth 459:nematode 451:seatworm 406:Linnaeus 158:Species 132:Family: 106:Nematoda 102:Phylum: 96:Animalia 82:Domain: 45:Pinworm 3679:1275939 3653:2284339 3546:Q213912 3322:T. cati 3039:Loa loa 3032:Loa loa 2774:Cestoda 2391:2306321 2365:3193432 2307:7959218 2298:1375686 2198:9488350 2190:3284542 2161:6416131 2086:8 April 2062:8 April 2007:8 April 1987:8 April 1967:8 April 1867:7602161 1827:6719348 1414:3245485 1389:: 559. 990:itching 705:in the 603:spicule 537:spicule 453:, is a 438:species 434:pinworm 142:Genus: 122:Order: 112:Class: 3728:332063 3712:NZOR: 3666:622719 3627:392069 3614:1ENTRG 3588:169323 2832:(pork) 2398:  2388:  2363:  2355:  2324:  2305:  2295:  2240:  2215:  2196:  2188:  2159:  2124:  2116:  2035:  1951:  1943:  1865:  1834:  1824:  1783:  1775:  1421:  1411:  1403:  1362:  1354:  1346:  961:opaque 953:rectum 948:gravid 941:mucosa 925:caecum 905:larvae 803:testis 762:Later 652:embryo 483:family 3705:51027 3692:63892 3674:IRMNG 3601:58788 2361:S2CID 2186:JSTOR 2122:S2CID 2044:(PDF) 2021:(PDF) 1949:S2CID 1441:(PDF) 1360:S2CID 1084:Notes 921:ileum 917:ileum 913:moult 909:colon 747:egg, 656:larva 3700:NCBI 3687:ITIS 3648:GBIF 3609:EPPO 3583:BOLD 3397:spp. 2396:PMID 2353:PMID 2322:ISBN 2303:PMID 2264:2009 2238:ISBN 2213:ISBN 2194:PMID 2157:PMID 2114:PMID 2088:2009 2076:DPDx 2064:2009 2033:PMID 2009:2009 1989:2009 1969:2009 1941:PMID 1905:2023 1863:PMID 1832:PMID 1781:PMID 1773:ISSN 1707:2011 1631:2021 1419:PMID 1401:ISSN 1352:PMID 1344:ISSN 1312:2015 1139:2019 1057:Utah 1039:race 995:I.Q. 957:anus 951:the 935:and 795:alae 511:and 432:The 410:1758 3596:EoL 3570:AFD 2386:PMC 2345:doi 2293:PMC 2285:doi 2277:Gut 2178:doi 2147:doi 2106:doi 2102:100 2029:104 1933:doi 1822:PMC 1812:doi 1765:doi 1734:doi 1409:PMC 1391:doi 1336:doi 1332:113 1203:doi 931:), 597:of 577:). 519:. 515:in 507:in 465:or 3747:: 3725:: 3702:: 3689:: 3676:: 3663:: 3650:: 3637:: 3624:: 3611:: 3598:: 3585:: 3572:: 3557:: 3542:: 3330:/ 3319:/ 3223:/ 3212:/ 3126:/ 3093:/ 3087:/ 2852:/ 2839:/ 2827:/ 2821:/ 2801:/ 2664:/ 2631:/ 2611:/ 2591:/ 2530:/ 2524:/ 2518:/ 2512:/ 2394:. 2382:28 2380:. 2376:. 2359:. 2351:. 2341:44 2339:. 2301:. 2291:. 2281:35 2279:. 2275:. 2254:. 2192:. 2184:. 2174:84 2172:. 2155:. 2143:58 2137:. 2120:. 2112:. 2100:. 2074:. 2054:. 2027:. 2023:. 1999:. 1979:. 1947:. 1939:. 1929:91 1927:. 1896:. 1859:25 1857:. 1853:. 1830:. 1820:. 1808:19 1806:. 1802:. 1779:. 1771:. 1761:77 1759:. 1755:. 1730:50 1728:. 1724:. 1675:^ 1658:^ 1639:^ 1622:. 1580:^ 1565:^ 1528:^ 1505:^ 1480:^ 1449:10 1447:. 1443:. 1417:. 1407:. 1399:. 1385:. 1381:. 1358:. 1350:. 1342:. 1330:. 1302:. 1245:^ 1229:^ 1215:^ 1147:^ 1129:. 1106:^ 1091:^ 1075:, 1071:, 1059:. 923:, 793:, 785:: 728:, 709:, 682:, 674:. 647:μm 621:. 527:. 488:. 408:, 63:) 3482:) 3478:( 3196:) 3192:( 3010:) 3006:( 2781:) 2777:( 2492:) 2488:( 2452:e 2445:t 2438:v 2402:. 2367:. 2347:: 2330:. 2309:. 2287:: 2266:. 2246:. 2221:. 2200:. 2180:: 2163:. 2149:: 2128:. 2108:: 2090:. 2066:. 2011:. 1991:. 1971:. 1955:. 1935:: 1907:. 1869:. 1838:. 1814:: 1787:. 1767:: 1740:. 1736:: 1709:. 1633:. 1451:. 1425:. 1393:: 1387:5 1366:. 1338:: 1314:. 1266:. 1209:. 1205:: 1141:. 1127:" 1123:" 1101:. 1009:( 844:. 824:. 473:( 436:( 412:) 404:( 37:. 30:. 23:.

Index

Pinworm infection
Strongyloides stercoralis
Oxyuris (nematode)
Pinworms (U.S.)/Threadworms (U.K.) ("Enterobius vermicularis")
Scientific classification
Edit this classification
Eukaryota
Animalia
Nematoda
Chromadorea
Rhabditida
Oxyuridae
Enterobius
Enterobius anthropopitheci
Enterobius atelis
Enterobius brevicauda
Enterobius buckleyi
Enterobius callithricis
Enterobius duplicidens
Enterobius emodensis
Enterobius foecunda
Enterobius gregorii
Enterobius inglisi
Enterobius interlabiata
Enterobius lagothricis
Enterobius lemuris
Enterobius lerouxi
Enterobius macaci
Enterobius magnispicula
Enterobius paraguerezae

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