| palmar carpal ligament | Thickening of distal antebrachial fascia just proximal to radiocarpal (wrist) joint. Continuous with extensor retinaculum at margins of forearm. This structure is distinct from the transverse carpal ligament, commonly called "the flexor retinaculum," which forms the roof of the carpal tunnel. Synonym: flexor retinaculum of forearm, palmar carpal ligament. (05 Mar 2000) |
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| palmar carpometacarpal ligaments | Fibrous bands that connect the palmar surfaces of the carpal and metacarpal bones. Synonym: ligamentum carpometacarpalia palmaria. (05 Mar 2000) |
| palmar crease | Any of the several flexion crease's normally found on the palm of the hand, occurring proximal to, but as a consequence of flexion at, the metacarpophalangeal joints. (05 Mar 2000) |
| palmar digital veins | Paired venae comitantes of the proper and common digital arteries that empty into the superficial palmar venous arch. Synonym: venae digitales palmares. (05 Mar 2000) |
| palmar fascia | The thickened, central portion of the fascia ensheathing the hand; it radiates toward the bases of the fingers from the tendon of the palmaris longus muscle. Synonym: aponeurosis palmaris, Dupuytren's fascia, palmar fascia. (05 Mar 2000) |
| palmar fibromatosis | Nodular fibroplastic proliferation in the palmar fascia of one or both hands, preceding or associated with Dupuytren's contracture. (05 Mar 2000) |
| palmar flexion | Turning the hand or fingers toward the palmar surface. (05 Mar 2000) |
| palmar interosseous artery | <anatomy, artery> One of the three arteries springing from the deep palmar arch and running in the three medial interosseous spaces; they anastomose with the common palmar and dorsal metacarpal arteries. Synonym: arteria metacarpea palmaris, palmar interosseous artery. (05 Mar 2000) |
| palmar interosseous muscle | <anatomy> Three muscles in the hand; origin, first: ulnar side of second metacarpal; second and third: radial sides of fourth and fifth metacarpals; insertion, first: into ulnar side of index; second and third: into radial sides of ring and little fingers; action, adducts fingers toward axis of middle finger; nerve supply, ulnar. See: flexor pollicis brevis muscle. Synonym: musculus interosseus palmaris, musculus interosseus volaris. (05 Mar 2000) |
| palmar ligaments | The fibrocartilaginous plates, one located on the anterior aspect of each metacarpophalangeal and interphalangeal joint, that are firmly attached to the bases of the phalanges and the heads of the next proximal bones; they are grooved to accommodate the long flexor tendons. Synonym: ligamenta palmaria, accessory volar ligaments. (05 Mar 2000) |
| palmar metacarpal artery | <anatomy, artery> One of the three arteries springing from the deep palmar arch and running in the three medial interosseous spaces; they anastomose with the common palmar and dorsal metacarpal arteries. Synonym: arteria metacarpea palmaris, palmar interosseous artery. (05 Mar 2000) |
| palmar metacarpal ligaments | Fibrous bands connecting the palmar aspects of the bases of metacarpals two to five. Synonym: ligamenta metacarpalia palmaria. (05 Mar 2000) |
| palmar metacarpal veins | Veins emptying into the deep venous arch from which the radial and ulnar veins arise. Synonym: venae metacarpeae palmares. (05 Mar 2000) |
| palmar radiocarpal ligament | <anatomy> A strong ligament that passes from the distal end of the radius to the proximal row of carpal bones on the anterior surface of the wrist joint. Synonym: ligamentum radiocarpale palmare. (05 Mar 2000) |
| palmar reflex | Flexion of the fingers following tickling of the palm. (05 Mar 2000) |