Medical Dictionary
serratus
noun ser·ra·tus \se-ˈrāt-əs\
plural ser·ra·ti \-ˈrā-ˌtī\
Medical Definition of SERRATUS
: any of three muscles of the thorax that have complex origins but arise chiefly from the ribs or vertebrae: a : serratus anterior b : serratus posterior inferior c : serratus posterior superior
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