has part has part has_part characteristic of has modifier abnormal ulnar styloid process morphology small ulnar styloid process 2018-11-16T09:34:36Z reduced size of the cylindric, pointed, palpable projection from the medial and posterior aspect of the head of the ulna, to the tip of which is attached the ulnar collateral ligament of the wrist decreased size of ulnar styloid process MPheno.ontology MP:0030903 reduced size of ulnar styloid process abnormal decreased size styloid process of ulna