palmaris brevis muscle


pal·mar·is brev·is mus·cle

(pahl-mar'is brev'is mŭs'ĕl) Cutaneous muscle of hand; origin, ulnar side of central portion of the palmar aponeurosis; insertion, skin of ulnar side of hand; action, wrinkles skin on medial side of palm; nerve supply, ulnar.
Synonym(s): musculus palmaris brevis, short palmar muscle.