Assertion: sternum | /r/MadeOf | cartilage
Facets:
Source sentences:
text: : Long and flat part which makes up most of the sternum Xiphoid process: Small point at the end of the sternum that's significantly more narrow and thinner than the rest of the sternal body and consists of cartilage until it gradually turns to bone by the age of 40 ﻿ ﻿