| horny layer of nail | The outer, horny layer of the nail. Synonym: cornified layer of nail, horny layer of nail. (05 Mar 2000) |
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| horny layer of epidermis | The outer layer of the epidermis, consisting of several layers of flat keratinised non-nucleated cells. Synonym: corneal layer of epidermis, horny layer of epidermis. (05 Mar 2000) |
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| horny | Of the nature or structure of horn. Synonym: corneous, keratic, keratinous, keratoid, keroid. (05 Mar 2000) |
| horny cell | The dead keratin-filled squamous cell of the stratum corneum. Synonym: horny cell, keratinised cell. Origin: cornea, L. Fem. Of corneus, horny, + G. Kytos, cell (05 Mar 2000) |
| germinative layer of nail | The deeper layer of the nail that is continuous with the stratum germinativum of the surrounding skin and from which the nail plate is continuously formed. Synonym: germinative layer of nail. (05 Mar 2000) |
| cornified layer of nail | The outer, horny layer of the nail. Synonym: cornified layer of nail, horny layer of nail. (05 Mar 2000) |
| body of nail | The exposed portion of the nail distal to its root. Synonym: corpus unguis. (05 Mar 2000) |
| racket nail | A broad flat thumbnail resulting from a congenital shorter and wider distal phalanx of the thumb. (05 Mar 2000) |
| parrot-beak nail | A markedly curved fingernail. (05 Mar 2000) |
| reedy nail | A nail marked by longitudinal ridges and furrows. (05 Mar 2000) |
| retinacula of nail | Fibrous attachments of the nail-bed to the underlying phalanx. Synonym: retinacula unguis. (05 Mar 2000) |
| groove of nail matrix | The cutaneous furrow in which the lateral border of the nail is situated. Synonym: groove of nail matrix, vallecula unguis. (05 Mar 2000) |
| root of nail | The proximal end of the nail, concealed under a fold of skin. Synonym: radix unguis. (05 Mar 2000) |
| wall of nail | The fold of skin overlapping the lateral and proximal margins of the nail. Synonym: vallum unguis, wall of nail. (05 Mar 2000) |
| pincer nail | Transverse overcurvature of the nail that increases distally, causing the lateral borders of the nail to pinch the soft tissue with resulting tenderness; may result from a developmental anomaly or subungual exostosis. (05 Mar 2000) |
| crests of nail bed | The numerous longitudinal ridges of the nail bed distal to the lunula. Synonym: cristae matricis unguis. (05 Mar 2000) |