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Onychectomy
Onychectomy, popularly known as declawing, is an operation to remove an animal's claws surgically by means of the amputation of all or part of the distal phalanges, or end bones, of the animal's toes. Because the claw develops from germinal tissue within the third phalanx, amputation of the bone is necessary to fully remove the claw. The terms "onychectomy" (origin: Greek ὄνυξ ''onycho'', nail + ἐκτομή ''ektome'', excision) and "declawing" imply mere claw removal, but a more appropriate description would be phalangectomy,〔http://medical-dictionary.thefreedictionary.com/phalangectomy〕 excision of toe bone. Although common in North America, declawing is considered an act of animal cruelty in many countries (see "Declawing practices" below). ==Medically indicated onychectomy== The amputation of the distal phalanx is indicated in case of chronic inflammatory processes, tumours, persistent and severe infections and gangrene that are limited to the distal phalanx. The procedure is usually limited to the affected claw, leaving the healthy claws (if any) intact.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Onychectomy」の詳細全文を読む
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