Medical Dictionary
pectoral nerve
noun
Medical Definition of PECTORAL NERVE
: either of two nerves that arise from the brachial plexus on each side or from the nerve trunks forming it and that supply the pectoral muscles: a : one lateral to the axillary artery—called also lateral pectoral nerve, superior pectoral nerve b : one medial to the axillary artery—called also inferior pectoral nerve, medial pectoral nerve
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