| opera-glass hand | A deformity of the hand seen in chronic absorptive arthritis, the fingers and wrists being shortened and the covering skin wrinkled into transverse folds; the phalanges appear to be retracted into one another like an opera glass or miniature telescope. Synonym: main en lorgnette. (05 Mar 2000) |
|---|---|
| EF hand | A very common calcium binding motif. A 12 amino acid loop with a 12 amino acid _ helix at either end, providing octahedral co-ordination for the calcium ion. Members of the family include: aequorin, _ actinin, calbindin, calcineurin, calcyphosin, calmodulin, calpain, calcyclin, iacylglycerol kinase, fimbrin, myosin regulatory light chains, oncomodulin, osteonectin, spectrin, troponin C. (18 Nov 1997) |
| trench hand | An obsolete term for frostbite of the hand. (05 Mar 2000) |
| trident hand | A hand in which the fingers are of nearly equal length and deflected at the first interphalangeal joint, so as to give a forklike shape; seen in achondroplasia. (05 Mar 2000) |
| two-hand | Employing two hangs; as, the two-hand alphabet. See Dactylology. Source: Websters Dictionary (01 Mar 1998) |
| joints of hand | These joints include the radiocarpal or wrist joint; intercarpal, carpometacarpal, intermetacarpal; metacarpophalangeal and interphalangeal joints. Synonym: articulationes manus, articulations of hand. (05 Mar 2000) |
| fibrous digital sheaths of hand | Fibrous sheaths of the digits of the hand, the tubular fibrous layers that enclose the synovial sheaths and the superficial and deep flexor tendons and the tendon of the flexor pollicis longus in their passage along their respective digits; they are composed of annular and cruciform parts. Synonym: vaginae fibrosae digitorum manus. (05 Mar 2000) |
| flat hand | Loss of normal arches of the hand. Synonym: flat hand. (05 Mar 2000) |
| flexor digiti minimi brevis muscle of hand | Origin, hamulus of hamate bone; insertion, medial side of proximal phalanx of little finger; action, flexes proximal phalanx of little finger; nerve supply, ulnar. Synonym: musculus flexor digiti minimi brevis manus, short flexor muscle of little finger. (05 Mar 2000) |
| free-hand knife | A manually operated knife or blade usually used to take split-thickness skin grafts; e.g., Blair-Brown knife, Humby knife, Theirsh knife. (05 Mar 2000) |
| lumbrical muscle of hand | Four intrinsic muscles of the hand; origin, the two lateral: from the radial side of the tendons of the flexor digitorum profundus going to the index and middle fingers; the two medial: from the adjacent sides of the second and third, and third and fourth tendons; insertion, radial side of extensor tendon on dorsum of each of the four fingers; action, flexes metacarpophalangeal joint and extends the proximal and distal interphalangeal joint; nerve supply, the two radial muscles by the median, the two ulnar muscles by the ulnar. Synonym: musculus lumbricalis manus. (05 Mar 2000) |
| ala minor ossis sphenoidalis | One of a bilateral pair of triangular, pointed plates extending laterally from the anterolateral body of the sphenoid bone. Forming the posteriormost portion of the floor of the anterior cranial fossa, their sharp posterior edge forms the sphenoidal ridge separating anterior and middle cranial fossae. The medial end of the lesser wing attaches to the body by means of two pedicles, thus forming the optic canal. The wing itself forms the superior margin of the supraorbital fissure. Synonym: ala minor ossis sphenoidalis, ala orbitalis, Ingrassia's apophysis, Ingrassia's wing. (05 Mar 2000) |
| annulus iridis minor | The narrow inner zone of the iris. Synonym: annulus iridis minor. (05 Mar 2000) |
| aphthae minor | <dermatology> Roundish pearl-coloured specks or flakes in the mouth, on the lips, etc, terminating in white sloughs, better known as thrush and the specks are called aphthae. Synonym: thrush, candidiasis. Origin: Sing. Of Aphthae. L, fr. Gr. (mostly in pl, Hipp) an eruption, thrush, fr. To set on fire, inflame. (25 Jun 1999) |
| arteria palatina minor | <anatomy, artery> One of several posterior branches of the descending palatine in the greater palatine canal, distributed to the soft palate and tonsil. Synonym: arteria palatina minor. (05 Mar 2000) |