medial pectoral nerve


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me·di·al pec·to·ral nerve

[TA]
a nerve that arises from the medial cord of the brachial plexus to supply the pectoral muscles; usually pierces the pectoralis minor, then continues to supply mainly the sternocostal portion of pectoralis major.

me·di·al pec·to·ral nerve

(mē'dē-al pek'tŏr-ăl nĕrv) [TA]
Arises from medial cord of brachial plexus to supply pectoral muscles; usually pierces pectoralis minor, then continues to supply mainly the sternocostal portion of pectoralis major.
Synonym(s): medial anterior thoracic nerve, nervus pectoralis medialis.

medial pectoral nerve

A motor nerve originating in the medial cord of the brachial plexus and composed of axons C8–T1. It innervates the pectoralis minor muscle and a portion of the pectoralis major muscle.
See also: nerve
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