palmar interosseous muscle

(redirected from musculus interosseus palmaris)

pal·mar in·ter·os·se·ous mus·cle

(pahl'măr in'tĕr-os'ē-ŭs mŭs'ĕl)
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.
Synonym(s): musculus interosseus palmaris [TA] .
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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