flexor carpi ulnaris (muscle)
Definition: muscle of anterior (flexor) compartment of forearm; origin, via a humeral head from the medial condyle of humerus and an ulnar head from the olecranon and upper three fifths of posterior border of ulna; insertion, pisiform bone but continues to the fifth metacarpal bone via the pisometacarpal ligament; action, flexes and adducts the hand at the wrist joint ulnarward; nerve supply, ulnar.
Synonym(s): musculus flexor carpi ulnarisTA, ulnar flexor (muscle) of wrist
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