Medical Dictionary
sternalis
noun ster·na·lis \stər-ˈnā-ləs\
plural ster·na·les \-(ˌ)lēz\
Medical Definition of STERNALIS
: a muscle that sometimes occurs on the surface of the pectoralis major at its sternal end and that has its fibers running parallel to the sternum and perpendicular to the pectoralis major
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