| dead fingers | Impaired digital circulation, possibly a mild form of Raynaud's disease, marked by a purplish or waxy white colour of the fingers, with subnormal local temperature and paresthesia. Synonym: dead fingers, waxy fingers. Origin: acro-+ G. Asphyxia, stoppage of the pulse (05 Mar 2000) |
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| deep flexor muscle of fingers | <anatomy, muscle> Origin, anterior surface of upper third of ulna; insertion, by four tendons, piercing those of the superficialis, into base of distal phalanx of each finger; action, flexes distal interphalangeal joint of fingers; nerve supply, ulnar and median (anterior interosseous muscle). Synonym: musculus flexor digitorum profundus, deep flexor muscle of fingers, musculus flexor profundus. (05 Mar 2000) |
| extensor muscle of fingers | <anatomy, muscle> Origin, lateral epicondyle of humerus; insertion, by four tendons into the base of the proximal and middle and base of the second and third phalanges of 4 fingers; action, extends fingers and hand; nerve supply, radial (posterior interosseous). Synonym: musculus extensor digitorum, extensor muscle of fingers, musculus extensor digitorum communis. (05 Mar 2000) |
| zinc fingers | Domains in DNA- and RNA-binding proteins that contain amino acids which are folded into a single structural unit around a zinc atom that links two cysteines and two histidines. Each finger is postulated to recognise a specific sequence of about five nucleotide pairs. (12 Dec 1998) |