| LM | lactic acid mineral [medium]; lactose malabsorption; laryngeal mask; laryngeal muscle; lateral malle... |
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| MG | Marcus Gunn [pupil]; margin; medial gastrocnemius [muscle]; membranous glomerulonephritis; menopausa... |
| MS | Maffuci syndrome; maladjustment score; mandibular series; Marfan syndrome; Marie-Strumpell [syndrome... |
| PM | after death (Lat. post mortem); after noon [Lat. post meridiem]; mean pressure; pacemaker; pantomogr... |
| EPB | Extensor Pollisis Brevis |
| extensor muscle of little finger | <anatomy, muscle> Origin, lateral epicondyle of humerus; insertion, dorsum of proximal, middle, and distal phalanges of little finger; action, extends fingers; nerve supply, radial (posterior interosseous). Synonym: musculus extensor digiti minimi, extensor muscle of little finger, musculus extensor digiti quinti proprius, musculus extensor minimi digiti. (05 Mar 2000) |
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| ulnar extensor muscle of wrist | <anatomy, muscle> Origin, lateral epicondyle of humerus (humeral head) and oblique line and posterior border of ulna (ulnar head); insertion, base of fifth metacarpal bone; action, extends and abducts wrist ulnarward; nerve supply, radial (posterior interosseous). Synonym: musculus extensor carpi ulnaris, ulnar extensor muscle of wrist. (05 Mar 2000) |
| long extensor muscle of great toe | <anatomy, muscle> Origin, lateral surface of tibia and interosseous membrane; insertion, base of distal phalanx of great toe; action, extends the great toe; nerve supply, anterior tibial. Synonym: musculus extensor hallucis longus, long extensor muscle of great toe. (05 Mar 2000) |
| 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) |
| plantar tendon sheath of peroneus longus muscle | <anatomy> The synovial sheath surrounding the tendon of the peroneus longus in its course across the sole of the foot. Synonym: vagina tendinis musculi peronei longi plantaris. (05 Mar 2000) |
| tendon sheath of flexor digitorum longus muscle of foot | The synovial sheath that envelops the flexor digitorum longus tendons as they pass into the foot deep to the flexor retinaculum. Synonym: vagina tendinum musculi flexoris digitorum pedis longi. (05 Mar 2000) |
| tendon sheath of flexor hallucis longus muscle | <anatomy> The synovial sheath that envelops the tendon of the flexor hallucis longus as it passes into the foot deep to the flexor retinaculum. Synonym: vagina tendinis musculi flexoris hallucis longi. (05 Mar 2000) |
| tendon sheath of flexor pollicis longus muscle | <anatomy> The synovial sheath that envelops the tendon of the flexor pollicis longus in its course through the carpal canal; it is continuous with the digital sheath of the thumb, the two generally being considered as one sheath. Synonym: vagina tendinis musculi flexoris pollicis longi, radial bursa. (05 Mar 2000) |
| tendon sheath of superior oblique muscle | <anatomy> The synovial sheath enclosing the tendon of the superior oblique muscle as it passes through the trochlea. Synonym: vagina tendinis musculi obliqui superioris, synovial trochlear bursa, trochlear synovial bursa, vagina synovialis trochleae. (05 Mar 2000) |
| tendon sheath of tibialis anterior muscle | <anatomy> The synovial sheath, deep to the extensor retinaculum, that surrounds the tendon of the tibialis anterior as it crosses the ankle. Synonym: vagina tendinis musculi tibialis anterioris. (05 Mar 2000) |
| tendon sheath of tibialis posterior muscle | <anatomy> The synovial sheath surrounding the tendon of the tibialis posterior as it passes into the foot deep to the flexor retinaculum. Synonym: vagina tendinis musculi tibialis posterioris. (05 Mar 2000) |
| common tendinous ring | A fibrous ring that surrounds the optic canal and the medial part of the superior orbital fissure; it gives origin to the four rectus muscles of the eye and is partially fused with the sheath of the optic nerve. Synonym: annulus tendineus communis, Zinn's ligament, Zinn's ring, Zinn's tendon. (05 Mar 2000) |
| tendinous | Relating to, composed of, or resembling a tendon. Origin: Mediev. L., fr. L. Tendo, to stretch out, extend (05 Mar 2000) |