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Laboratory 4. Pectoral Region
Step 4. Lateral Pectoral Nerve

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Cut the clavicular head of pectoralis major muscle near its attachment to the clavicle and reflect it laterally. Identify the lateral pectoral nerve and accompanying vessels on its deep surface.

Links and References:
Grant's: 6.14 and 6.15
Netter (1ed.): 174, 175, and 403 (2ed.): 174, 175, and 399
Rohen and Yokochi: 362, 384, and 385