hypothenar muscle opponens digiti minimi of hand opponens digiti quinti SCTID:181652007 The opponens minimi digiti (opponens digiti quinti in older texts) is a muscle in the hand. It is of a triangular form, and placed immediately beneath the palmaris brevis, abductor minimi digiti, and flexor brevis minimi digiti. It arises from the convexity of the hamulus of the hamate bone, and contiguous portion of the transverse carpal ligament; it is inserted into the whole length of the metacarpal bone of the little finger, along its ulnar margin. opponens digiti minimi opponens digiti minimi muscle of hand UBERON:0036176 FMA:37384 Wikipedia:Opponens_digiti_minimi_muscle musculus opponens digiti minimi (Manus) opponens digiti minimi (hand)