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单词 onychogryphosis
释义 onychogryphosis Med.|ˌɒnɪkəʊgrɪˈfəʊsɪs|
Also -gryposis.
[f. Gr. ὄνυχο-, comb. form of ὄνυξ nail + γρύπωσις hooking of the nails.]
The condition of having overgrowth, accompanied by thickening and curvature, of one or more nails (usu. of the toes).
1833Dunglison Dict. Med. Sci. II. 104/1 Onychogryphosis, onychogryposis.1887Boston Med. & Surg. Jrnl. CXVII. 301/1 When the whole nail is affected, its free border has a tendency to curve downwards. It may occur in various directions, according as it is disturbed in the vertical or transverse way (onychogryphosis).1901Encycl. Medica VIII. 220 The subject of onychogryposis was first fully investigated by Virchow.1972A. Rook et al. Textbk. Dermatol. (ed. 2) II. 1662/1 Nail hypertrophy implies thickening and increase in length, whilst onychogryphosis implies curvature also.
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