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Stapedius muscle

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Rodríguez-Vázquez JF. Development of the stapedius muscle and pyramidal eminence in humans. J Anat. 2009 Sep;215(3):292-9. doi: 10.1111/j.1469-7580.2009.01105.x
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The stapedius dampens the vibrations of the stapes by pulling on the neck of that bone. As one of the muscles involved in the
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Drake, Richard L.; Vogl, Wayne; Tibbitts, Adam W.M. Mitchell; illustrations by Richard; Richardson, Paul (2005).
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bone to which it attaches, the stapedius muscle shares evolutionary history with other vertebrate structures.
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body. At just over one millimeter in length, its purpose is to stabilize the smallest bone in the body, the
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The medial wall and part of the posterior and anterior walls of the right tympanic cavity, lateral view.
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in other tetrapods, the function of which was to open the jaws (this function was taken over by the
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The stapedius is the smallest skeletal muscle in the body and is approx- imately 1 mm in length.
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Essential Clinically Applied Anatomy of the Peripheral Nervous System in the Head and Neck
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in sharks. Like the stapedius, all of these muscles derive from the
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Moore, Keith L.; Dalley, Arthur F.; Agur, A. M. R. (2013-02-13).
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Bones and muscles in the tympanic cavity in the middle ear
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The mammalian stapedius evolved from a muscle called the
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of the stapes, resulting in heightened reaction of the
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Vertebrates: comparative anatomy, function, evolution
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in mammals). The depressor mandibulae arose from the
334:from the general external environment to the inner 633: 1817: 523:. Philadelphia: Elsevier/Churchill Livingstone. 546: 140:Stapedial branch of posterior auricular artery 1263: 619: 357:to sound vibration. This condition, known as 298:), and inserts into the neck of the stapes. 514: 512: 510: 1270: 1256: 626: 612: 27: 507: 383:Evolution of mammalian auditory ossicles 341: 1277: 573: 406:in bony fish, and is equivalent to the 1818: 937: 567: 330:, helping to control the amplitude of 286:The stapedius emerges from a pinpoint 1575:Levator labii superioris alaeque nasi 1251: 607: 553:. Lippincott Williams & Wilkins. 542: 540: 475: 326:it prevents excess movement of the 278:or stirrup bone of the middle ear. 13: 488:10.1016/b978-0-12-803633-4.00002-8 14: 1847: 599: 537: 306:The stapedius is supplied by the 578:. McGraw-Hill. pp. 55, 57. 376: 40: 301: 1022:Reissner's/vestibular membrane 469: 349:of the stapedius allows wider 290:or opening in the apex of the 1: 765:promontory of tympanic cavity 462: 1826:Muscles of the head and neck 1531:Levator palpebrae superioris 1343:Levator palpebrae superioris 574:Kardong, Kenneth V. (1995). 281: 7: 755:secondary tympanic membrane 550:Clinically Oriented Anatomy 521:Gray's anatomy for students 421: 317: 10: 1852: 1660:Depressor labii inferioris 760:prominence of facial canal 476:Rea, Paul (2016). "Head". 425: 380: 246:Anatomical terms of muscle 1778: 1740: 1731: 1686: 1650: 1627: 1592: 1583: 1543: 1492: 1479: 1439: 1430: 1367: 1358: 1289: 1192: 1116: 1107: 1010: 928: 907: 898: 874: 795: 732: 723: 646: 244: 232: 220: 208: 196: 184: 179: 168:Control the amplitude of 162: 145: 133: 120: 107: 102: 38: 26: 21: 1602:Levator labii superioris 780:aditus to mastoid antrum 482:. Elsevier. p. 78. 16:Muscle in the human ear 428:anatomical terminology 414:and are innervated by 363:nerve to the stapedius 1791:Inferior longitudinal 1786:Superior longitudinal 1655:Depressor anguli oris 1526:Corrugator supercilii 771:Posterior structures 342:Clinical significance 1570:Depressor septi nasi 1519:depressor supercilii 1012:Cochlear duct / 976:Perilymphatic space 876:Auditory tube / 396:depressor mandibulae 1831:Otorhinolaryngology 1597:Levator anguli oris 1194:Semicircular canals 1167:Vestibular aqueduct 1382:sphenomandibularis 1172:endolymphatic duct 1160:Otolithic membrane 1073:Tectorial membrane 1032:Reticular membrane 837:posterior ligament 785:pyramidal eminence 741:Medial structures 426:This article uses 365:, a branch of the 310:, a branch of the 308:nerve to stapedius 292:pyramidal eminence 191:musculus stapedius 156:nerve to stapedius 115:pyramidal eminence 1813: 1812: 1809: 1808: 1682: 1681: 1678: 1677: 1670:Transversus menti 1539: 1538: 1514:Orbicularis oculi 1497:Occipitofrontalis 1471:Temporoparietalis 1426: 1425: 1245: 1244: 1241: 1240: 1237: 1236: 1227:crista ampullaris 1177:endolymphatic sac 1109:Vestibular system 1103: 1102: 985:Cochlear aqueduct 894: 893: 832:superior ligament 820:anterior ligament 810:superior ligament 698:Auricular muscles 681:intertragic notch 530:978-0-8089-2306-0 497:978-0-12-803633-4 416:cranial nerve VII 355:auditory ossicles 260: 259: 255: 80:Tympanic membrane 1843: 1738: 1737: 1718:Palatopharyngeus 1632:Orbicularis oris 1590: 1589: 1490: 1489: 1437: 1436: 1365: 1364: 1272: 1265: 1258: 1249: 1248: 1217:Ampullary cupula 1114: 1113: 1044:Stria vascularis 1027:Basilar membrane 935: 934: 905: 904: 849:annular ligament 815:lateral ligament 730: 729: 628: 621: 614: 605: 604: 590: 589: 571: 565: 564: 544: 535: 534: 516: 505: 504: 473: 404:levator operculi 400:digastric muscle 266:is the smallest 252:edit on Wikidata 249: 44: 31: 19: 18: 1851: 1850: 1846: 1845: 1844: 1842: 1841: 1840: 1836:Auditory system 1816: 1815: 1814: 1805: 1774: 1727: 1713:Musculus uvulae 1674: 1646: 1623: 1579: 1535: 1475: 1422: 1354: 1348:superior tarsal 1285: 1276: 1246: 1233: 1188: 1184:Ductus reuniens 1099: 1078:Sulcus spiralis 1049:Spiral ligament 1013: 1006: 970:Cochlear cupula 950:Vestibular duct 930:Auditory system 924: 890: 878:Eustachian tube 877: 870: 791: 734:Tympanic cavity 719: 642: 632: 602: 594: 593: 586: 572: 568: 561: 545: 538: 531: 517: 508: 498: 474: 470: 465: 431: 424: 385: 379: 344: 324:acoustic reflex 320: 304: 296:tympanic cavity 284: 268:skeletal muscle 256: 98: 95: 94: 92:Tympanic cavity 89: 87:Eustachian tube 84: 81: 77: 72: 67: 62: 59: 54: 49: 34: 17: 12: 11: 5: 1849: 1839: 1838: 1833: 1828: 1811: 1810: 1807: 1806: 1804: 1803: 1798: 1793: 1788: 1782: 1780: 1776: 1775: 1773: 1772: 1767: 1762: 1761: 1760: 1758:chondroglossus 1750: 1744: 1742: 1735: 1729: 1728: 1726: 1725: 1720: 1715: 1710: 1709: 1708: 1703: 1692: 1690: 1684: 1683: 1680: 1679: 1676: 1675: 1673: 1672: 1667: 1662: 1657: 1651: 1648: 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68: 63: 60: 55: 52:Tensor tympani 50: 45: 39: 36: 35: 32: 24: 23: 15: 9: 6: 4: 3: 2: 1848: 1837: 1834: 1832: 1829: 1827: 1824: 1823: 1821: 1802: 1799: 1797: 1794: 1792: 1789: 1787: 1784: 1783: 1781: 1777: 1771: 1770:Palatoglossus 1768: 1766: 1763: 1759: 1756: 1755: 1754: 1751: 1749: 1746: 1745: 1743: 1739: 1736: 1734: 1730: 1724: 1723:Palatoglossus 1721: 1719: 1716: 1714: 1711: 1707: 1704: 1702: 1699: 1698: 1697: 1696:Veli palatini 1694: 1693: 1691: 1689: 1685: 1671: 1668: 1666: 1663: 1661: 1658: 1656: 1653: 1652: 1649: 1643: 1640: 1638: 1635: 1633: 1630: 1629: 1626: 1618: 1615: 1613: 1610: 1609: 1608: 1605: 1603: 1600: 1598: 1595: 1594: 1591: 1588: 1586: 1582: 1576: 1573: 1571: 1568: 1564: 1563:dilator naris 1561: 1560: 1559: 1556: 1554: 1551: 1550: 1548: 1546: 1542: 1532: 1529: 1527: 1524: 1520: 1517: 1516: 1515: 1512: 1508: 1505: 1503: 1500: 1499: 1498: 1495: 1494: 1491: 1488: 1486: 1482: 1478: 1472: 1469: 1465: 1462: 1460: 1457: 1455: 1452: 1451: 1450: 1447: 1446: 1444: 1442: 1438: 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968: 966: 963: 961: 960:Tympanic duct 958: 956: 953: 951: 948: 947: 946: 943: 942: 940: 936: 933: 931: 927: 921: 918: 916: 913: 912: 910: 906: 903: 901: 897: 887: 884: 883: 881: 879: 873: 865: 862: 860: 857: 856: 854: 850: 847: 846: 845: 842: 838: 835: 833: 830: 829: 828: 825: 821: 818: 816: 813: 811: 808: 807: 806: 803: 802: 800: 798: 794: 786: 783: 781: 778: 776: 775:mastoid cells 773: 772: 770: 766: 763: 761: 758: 756: 753: 751: 748: 746: 743: 742: 740: 739: 737: 735: 731: 728: 726: 722: 714: 713:pars flaccida 711: 709: 706: 705: 704: 701: 699: 696: 694: 691: 687: 684: 682: 679: 677: 674: 672: 669: 667: 664: 662: 659: 658: 657: 654: 653: 651: 649: 645: 641: 637: 629: 624: 622: 617: 615: 610: 609: 606: 597: 587: 585:0-697-21991-7 581: 577: 570: 562: 560:9781451119459 556: 552: 551: 543: 541: 532: 526: 522: 515: 513: 511: 503: 499: 493: 489: 485: 481: 480: 472: 468: 457: 454: 451: 448: 446: 443: 441: 438: 436: 433: 432: 429: 419: 417: 413: 409: 405: 401: 397: 392: 390: 384: 377:Other animals 374: 372: 368: 364: 360: 356: 352: 348: 339: 337: 333: 329: 325: 315: 313: 309: 299: 297: 293: 289: 279: 277: 273: 269: 265: 253: 247: 243: 240: 237: 235: 231: 228: 225: 223: 219: 216: 213: 211: 207: 204: 201: 199: 195: 192: 189: 187: 183: 178: 175: 171: 167: 165: 161: 157: 153: 150: 148: 144: 141: 138: 136: 132: 129: 125: 123: 119: 116: 112: 110: 106: 101: 93: 88: 83: 76: 71: 66: 58: 53: 48: 43: 37: 30: 25: 20: 1765:Styloglossus 1748:Genioglossus 1695: 1606: 1405: 1388: 1315: 1298: 1077: 858: 750:round window 595: 575: 569: 549: 520: 501: 478: 471: 393: 386: 371:Bell's palsy 367:facial nerve 345: 321: 312:facial nerve 305: 302:Nerve supply 285: 263: 261: 215:A15.3.02.062 190: 152:Facial nerve 1688:Soft palate 1607:Zygomaticus 1502:occipitalis 1360:Masticatory 1291:Extraocular 1061:stereocilia 1014:scala media 955:Helicotrema 745:oval window 634:Anatomy of 408:epihyoidean 359:hyperacusis 351:oscillation 332:sound waves 180:Identifiers 170:sound waves 1820:Categories 1796:Transverse 1753:Hyoglossus 1642:Buccinator 1411:masseteric 1377:Temporalis 1212:Horizontal 1150:Kinocilium 915:membranous 908:Labyrinths 725:Middle ear 676:antitragus 463:References 440:Middle ear 412:hyoid arch 82:(Ear drum) 1779:Intrinsic 1741:Extrinsic 1507:frontalis 1464:posterior 1449:Auricular 1389:Pterygoid 1207:Posterior 1118:Vestibule 1066:tip links 1039:Endolymph 1000:Boettcher 980:Perilymph 900:Inner ear 859:stapedius 693:Ear canal 666:antihelix 648:Outer ear 387:Like the 347:Paralysis 282:Structure 264:stapedius 174:inner ear 122:Insertion 113:Walls of 65:Labyrinth 61:Stapedius 22:Stapedius 1801:Vertical 1665:Mentalis 1637:Risorius 1553:Procerus 1459:superior 1454:anterior 1416:temporal 1372:Masseter 1326:inferior 1321:superior 1309:superior 1304:inferior 1222:Ampullae 1202:Superior 1088:internus 1083:externus 995:Claudius 965:Modiolus 855:Muscles 797:Ossicles 445:Ossicles 422:See also 318:Function 126:Neck of 1706:levator 1558:Nasalis 1394:lateral 1336:lateral 1299:Oblique 1281:of the 1279:Muscles 1155:Otolith 1138:Saccule 1126:Utricle 945:Cochlea 938:General 805:Malleus 703:Eardrum 686:earlobe 656:Auricle 640:balance 636:hearing 435:Hearing 288:foramen 270:in the 203:D013198 172:to the 164:Actions 103:Details 47:Malleus 1733:Tongue 1701:tensor 1485:eyelid 1432:Facial 1406:Fascia 1399:medial 1331:medial 1316:Rectus 1143:macula 1131:macula 991:Cells 844:Stapes 671:tragus 582:  557:  527:  494:  456:Stapes 389:stapes 328:stapes 276:stapes 135:Artery 128:stapes 109:Origin 70:Stapes 1617:minor 1612:major 1585:Mouth 1481:Scalp 827:Incus 661:helix 272:human 250:[ 239:49027 186:Latin 147:Nerve 57:Incus 1545:Nose 1283:head 920:bony 708:umbo 638:and 580:ISBN 555:ISBN 525:ISBN 492:ISBN 262:The 227:2103 210:TA98 198:MeSH 1441:Ear 484:doi 336:ear 314:. 234:FMA 222:TA2 1822:: 539:^ 509:^ 500:. 490:. 418:. 338:. 1483:/ 1271:e 1264:t 1257:v 627:e 620:t 613:v 588:. 563:. 533:. 486:: 430:. 254:] 158:) 154:(

Index



Malleus
Tensor tympani
Incus
Labyrinth
Stapes
Auditory canal
Tympanic membrane
(Ear drum)

Eustachian tube
Tympanic cavity
Origin
pyramidal eminence
Insertion
stapes
Artery
Stapedial branch of posterior auricular artery
Nerve
Facial nerve
nerve to stapedius
Actions
sound waves
inner ear
Latin
MeSH
D013198
TA98
A15.3.02.062
TA2
2103

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