Knowledge

Photosensitivity

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Jane C. Quinn; Yuchi Chen; Belinda Hackney; Muhammad Shoaib Tufail; Leslie A. Weston; Panayiotis Loukopoulos (2018), "Acute-onset high-morbidity primary photosensitisation in sheep associated with consumption of the Casbah and Mauro cultivars of the pasture legume biserrula", BMC Veterinary Research,
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metabolism.  It accumulates in the body because of liver damage, reacts with UV light on the skin, and leads to free radical formation. These free radicals damage the skin, leading to ulceration, necrosis, and sloughing. Non-pigmented skin is most commonly affected.
378: 186: 136:(a defect in DNA repair) is thought to increase the risk of UV-light-exposure-related cancer by increasing photosensitivity. 336: 56:. In medicine, the term is principally used for abnormal reactions of the skin, and two types are distinguished, 411: 262: 17: 355: 125: 65: 145: 86: 406: 106: 101:
to a light source can take various forms. People with particular skin types are more sensitive to
28: 162:. They are classified as primary if an ingested plant contains a photosensitive substance, like 114: 314: 133: 105:. Particular medications make the skin more sensitive to sunlight; these include most of the 167: 8: 203: 118: 69: 332: 287: 258: 233: 223: 36: 331:(5th ed.). London: Baillière Tindall. pp. 841–847 (Lactation Tetany). 228: 400: 252: 92: 61: 53: 68:
in the mammalian eye are a separate class of light-detecting cells from the
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Particular conditions lead to increased light sensitivity. Patients with
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Anderson, D.M.; Keith, J.; Novac, P.; Elliott, M.A., eds. (1994).
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experience skin symptoms after sunlight exposure; some types of
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are aggravated by sunlight. A rare hereditary condition
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is the amount to which an object reacts upon receiving
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Photosensitivity occurs in multiple species including
121:, include photosensitivity as a possible side effect. 278:
JH Epstein (1999). "Phototoxicity and photoallergy".
360: 327:D.C. Blood; J.A. Henderson; O.M. Radostits (1979). 398: 356:Sensor sensitivity (ISO) in digital cameras 280:Seminars in Cutaneous Medicine and Surgery 277: 257:(28th ed.). W. B. Saunders Company. 255:Dorland's Illustrated Medical Dictionary 14: 399: 170:poisoning and ingestion of biserrula ( 139: 117:. Some dietary supplements, such as 317:. Understanding Horse Nutrition.com 185:, the photosensitzing substance is 24: 25: 423: 349: 80: 75: 183:hepatogenous photosensitization 320: 308: 298: 271: 246: 13: 1: 305:doi:10.1186/s12917-017-1318-7 66:photosensitive ganglion cells 178:(green or dried) in horses. 126:systemic lupus erythematosus 42:Reaction to incoming photons 7: 197: 146:Photosensitivity in animals 10: 428: 189:, a normal end-product of 143: 90: 87:Photosensitivity in humans 84: 26: 364: 72:that function in vision. 239: 107:tetracycline antibiotics 29:photosensitive epilepsy 412:Clinical pharmacology 134:xeroderma pigmentosum 27:For other uses, see 329:Veterinary Medicine 172:Biserrula pelecinus 140:Veterinary medicine 97:Sensitivity of the 70:photoreceptor cells 204:Digital camera ISO 394: 393: 16:(Redirected from 419: 362: 361: 343: 342: 324: 318: 312: 306: 302: 296: 295: 275: 269: 268: 250: 176:buckwheat plants 46:Photosensitivity 21: 427: 426: 422: 421: 420: 418: 417: 416: 407:Skin physiology 397: 396: 395: 390: 389: 373: 352: 347: 346: 339: 325: 321: 313: 309: 303: 299: 276: 272: 265: 251: 247: 242: 234:Photosensitizer 224:Solar urticaria 200: 174:) in sheep, or 148: 142: 119:St. John's Wort 95: 89: 83: 78: 43: 40: 37:flicker vertigo 23: 22: 15: 12: 11: 5: 425: 415: 414: 409: 392: 391: 388: 387: 374: 369: 368: 366: 365:Classification 359: 358: 351: 350:External links 348: 345: 344: 337: 319: 307: 297: 286:(4): 274–284. 270: 263: 244: 243: 241: 238: 237: 236: 231: 229:Snow blindness 226: 221: 216: 211: 206: 199: 196: 187:phylloerythrin 168:St John's wort 144:Main article: 141: 138: 109:, heart drugs 85:Main article: 82: 81:Human medicine 79: 77: 76:Skin reactions 74: 41: 18:Photosensitive 9: 6: 4: 3: 2: 424: 413: 410: 408: 405: 404: 402: 385: 384: 380: 376: 375: 372: 367: 363: 357: 354: 353: 340: 338:0-7020-0718-8 334: 330: 323: 316: 311: 301: 293: 289: 285: 281: 274: 266: 260: 256: 249: 245: 235: 232: 230: 227: 225: 222: 220: 217: 215: 212: 210: 207: 205: 202: 201: 195: 192: 188: 184: 179: 177: 173: 169: 165: 161: 157: 153: 147: 137: 135: 131: 127: 122: 120: 116: 112: 108: 104: 100: 94: 93:Phototoxicity 88: 73: 71: 67: 63: 62:phototoxicity 59: 55: 54:visible light 52:, especially 51: 47: 38: 34: 30: 19: 377: 328: 322: 310: 300: 283: 279: 273: 254: 248: 214:Heliotropism 182: 180: 171: 149: 123: 115:sulfonamides 96: 58:photoallergy 45: 44: 219:Photophobia 191:chlorophyll 33:photophobia 401:Categories 264:0721655777 209:Bergaptene 111:amiodarone 91:See also: 315:buckwheat 164:hypericin 130:porphyria 292:10604793 198:See also 386:: L56.8 103:sunburn 50:photons 335:  290:  261:  160:horses 158:, and 156:bovine 113:, and 64:. The 35:, and 240:Notes 152:sheep 333:ISBN 288:PMID 259:ISBN 99:skin 60:and 379:ICD 181:In 166:in 403:: 383:10 284:18 282:. 154:, 31:, 381:- 371:D 341:. 294:. 267:. 39:. 20:)

Index

Photosensitive
photosensitive epilepsy
photophobia
flicker vertigo
photons
visible light
photoallergy
phototoxicity
photosensitive ganglion cells
photoreceptor cells
Photosensitivity in humans
Phototoxicity
skin
sunburn
tetracycline antibiotics
amiodarone
sulfonamides
St. John's Wort
systemic lupus erythematosus
porphyria
xeroderma pigmentosum
Photosensitivity in animals
sheep
bovine
horses
hypericin
St John's wort
buckwheat plants
phylloerythrin
chlorophyll

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