Ulnar hemimelia is a congenital ulnar deficiency of the forearm characterised by complete or partial absence of the ulna bone.
Also indexed as
Longitudinal reduction defect of ulnaUlnar hemimeliaUlnar hemimelia, bilateralUlnar hemimelia, unilateralagenesis of ulnacongenital absence of ulnacongenital absence of ulna with or without absence of some distal elementscongenital absence of ulna with or without absence of some, but not all, distal elementstotal absence of ulna