Lateral Pectoral Nerve

Description

Illustration of the lateral pectoral nerve as it innervates pectoralis minor

Illustration of the medial and lateral pectoral nerve

General

• Motor branch from the lateral cord of the brachial plexus

Innervation

• Pectoralis Major
• Contributions to Pectoralis Minor

Gross Anatomy

• Originates from the lateral cord of the brachial plexus
• Contains fibers from C5 to c7
• Passes anterior to the axillary artery
• Gives rise to a communicating branch which joints the medial pectoral nerve
• This forms the ansa pectoralis
• Then it pierces toe costocoracoid membrane
• Terminating in the deep surface of the pectoralis major muscle

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Clinical Significance

• Needs to be updated

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See Also

• Shoulder Anatomy Main
• Neuropathies Main

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