has part has part characteristic of inheres in has modifier Abnormal sternum morphology Bifid sternum 2009-07-12T02:23:18Z UMLS:C0265696 The sternal cleft is a rare congenital anomaly resulting from a fusion failure of the sternum. Various degrees of bifid sternum may occur, varying from an enlarged suprasternal notch to complete separation of the two halves of the sternum. Ectopia cordis may or may not accompany this defect in its more severe form. SNOMEDCT_US:54008006 Sternal cleft HP:0010309 abnormal bifurcated sternum