part of part of develops from develops from sternum sternebra http://upload.wikimedia.org/wikipedia/commons/1/12/Illu_thoracic_cage.jpg sternebral bone FMA:7489 MA:0001333 One of the bony segments of the sternum[TFD]. SCTID:95955004 EMAPA:18724 Wikipedia:Sternebra Note that some definitions state that this a segment of the primordial sternum. UBERON:0002208 endochondral bone thoracic segment bone sternebral bone pre-cartilage condensation