Assertion: sternum | /r/HasProperty | fused into single bone
Facets:
value: with age
type: OTHER
Source sentences:
text: The structure of the sternum divided into three parts: the body of the sternum (corpus sterni), handle the sternum (manubrium sterni) and xiphoid (processus xiphoideus), which with age (usually 30-35 years) are fused into a single bone.