lumbricalis

lum·bri·cals (lumbrical mus·cles) of hand

[TA] four intrinsic muscles of the palm; 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(s): musculus lumbricalis manus [TA]

lumbricalis

(lŭm″brĭ-kăl′ĭs) One of the worm-shaped muscles of the hand or foot.

单词	lumbricalis
释义	lumbricalis lumbricalis (ˌlʌmbrɪˈkeɪlɪs) n (Anatomy) anatomy any of the four wormlike muscles in the hand or foot[C18: New Latin, from Latin lumbrīcus worm] lumbrical adj lumbricalis lum·bri·cals (lumbrical mus·cles) of hand [TA] four intrinsic muscles of the palm; 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(s): musculus lumbricalis manus [TA] lumbricalis (lŭm″brĭ-kăl′ĭs) One of the worm-shaped muscles of the hand or foot.
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