| long extensor muscle of thumb | <anatomy, muscle> Origin, posterior surface of ulna; insertion, base of distal phalanx of thumb; action, extends distal phalanx of thumb; nerve supply, radial. Synonym: musculus extensor pollicis longus, long extensor muscle of thumb, musculus extensor longus pollicis. (05 Mar 2000) |
|---|---|
| long extensor muscle of toes | <anatomy, muscle> Origin, lateral condyle of tibia, upper two-thirds of anterior margin of fibula; insertion, by four tendons to the dorsal surfaces of the bases of the proximal, middle, and distal phalanges of the second to fifth toes; action, extends the four lateral toes; nerve supply, deep branch of peroneal. Synonym: musculus extensor digitorum longus, long extensor muscle of toes, musculus extensor longus digitorum. (05 Mar 2000) |
| long radial extensor muscle of wrist | <anatomy, muscle> Origin, lateral supracondylar ridge of humerus; insertion, back of base of second metacarpal bone; action, extends and deviates wrist radialward; nerve supply, radial. Synonym: musculus extensor carpi radialis longus, long radial extensor muscle of wrist. (05 Mar 2000) |
| musculus | <anatomy> A muscle. For histologic description, see muscle. Synonym: muscle. Origin: L. A little mouse, a muscle, fr. Mus (mur-), a mouse (05 Mar 2000) |
| musculus abductor hallucis | <anatomy, muscle> Origin, medial process of calcaneal tuberosity, flexor retinaculum, and plantar aponeurosis; insertion, medial side of proximal phalanx of great toe; action, abducts great toe; nerve supply, medial plantar. Synonym: musculus abductor hallucis, abductor muscle of great toe. (05 Mar 2000) |
| musculus abductor pollicis brevis | <anatomy, muscle> Origin, tubercle of trapezium and flexor retinaculum; insertion, lateral side of proximal phalanx of thumb; action, abducts thumb; nerve supply, median. Synonym: musculus abductor pollicis brevis, short abductor muscle of thumb. (05 Mar 2000) |
| musculus abductor pollicis longus | <anatomy> Origin, interosseous membrane and posterior surfaces of radius and ulna; insertion, lateral side of base of first metacarpal bone; action, abducts and assists in extending thumb; nerve supply, radial. Synonym: musculus abductor pollicis longus, long abductor muscle of thumb, musculus extensor ossis metacarpi pollicis. (05 Mar 2000) |
| musculus adductor brevis | <anatomy, muscle> Origin, superior ramus of pubis; insertion, upper third of medial lip of linea aspera; action, adducts thigh; nerve supply, obturator. Synonym: musculus adductor brevis, short adductor muscle. (05 Mar 2000) |
| musculus adductor hallucis | <anatomy, muscle> Origin, by two heads, the transverse head from the capsules of the lateral four metatarsophalangeal joints and the oblique head from the lateral cuneiform and bases of the third and fourth metatarsal bones; insertion, lateral side of base of proximal phalanx of great toe; action, adducts great toe; nerve supply, lateral plantar. Synonym: musculus adductor hallucis, adductor muscle of great toe. (05 Mar 2000) |
| musculus adductor longus | <anatomy, muscle> Origin, symphysis and crest of pubis; insertion, middle third of medial lip of linea aspera of femur; action, adducts, flexes and laterally rotates the thigh; nerve supply, obturator. Synonym: musculus adductor longus, long adductor muscle. (05 Mar 2000) |
| musculus adductor magnus | <anatomy, muscle> Origin, ischial tuberosity and ischiopubic ramus; insertion, linea aspera and adductor tubercle of femur; action, adducts and extends thigh; nerve supply, obturator and sciatic. Synonym: musculus adductor magnus, great adductor muscle. (05 Mar 2000) |
| musculus adductor minimus | <anatomy> A small flat muscle constituting the upper portion of the adductor magnus, insertion, the space above linea aspera. Synonym: musculus adductor minimus. (05 Mar 2000) |
| musculus adductor pollicis | <anatomy, muscle> Origin, by two heads, the transverse head from the shaft of the third metacarpal and the oblique head from the front of the base of the second metacarpal, the trapezoid and capitate bones; insertion, medial side of base of proximal phalanx of thumb; action, adducts thumb; nerve supply, ulnar. Synonym: musculus adductor pollicis, adductor muscle of thumb. (05 Mar 2000) |
| musculus anconeus | <anatomy, muscle> Origin, back of lateral condyle of humerus; insertion, olecranon process and posterior surface of ulna; action, extends forearm and abducts ulna in pronation of wrist; nerve supply, radial. Synonym: musculus anconeus, anconeus. (05 Mar 2000) |
| musculus antitragicus | <anatomy> A band of transverse muscular fibres on the outer surface of the antitragus, arising from the border of the intertragic notch and inserted into the anthelix and cauda helicis. Synonym: musculus antitragicus, muscle of antitragus. (05 Mar 2000) |