Medical Dictionary
musculi pectinati
noun pl mus·cu·li pec·ti·na·ti \ˈməs-kyə-ˌlī-ˌpek-ti-ˈnā-ˌtī\
Medical Definition of MUSCULI PECTINATI
: small muscular ridges on the inner wall of the auricular appendage of the left and the right atria of the heart
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