palmar interossei (interosseous muscles)

(redirected from musculus interosseus volaris)

pal·mar in·ter·os·se·i (interosseous mus·cles)

[TA]
three intrinsic 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 also: flexor pollicis brevis (muscle).
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