Medical Dictionary

sternum

noun ster·num \ˈstər-nəm\
plural ster·nums or ster·na \-nə\

Medical Definition of STERNUM

:  a compound ventral bone or cartilage that lies in the median central part of the body of most vertebrates above fishes and that in humans is about seven inches (18 centimeters) long, consists in the adult of three parts, and connects with the clavicles and the cartilages of the upper seven pairs of ribs—called also breastbone

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May 29, 2015
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