THE CONTEXT
The target passage lists the structures anterior to the first part of the axillary artery.
Superficial coverings and muscle
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The listed coverings are skin; superficial fascia with platysma and supraclavicular nerves; and deep fascia.
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The clavicular part of pectoralis major lies anterior to this part of the artery.
Fascia, vessels and nerves
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The clavipectoral fascia is listed with the cephalic vein, lateral pectoral nerve and thoracoacromial artery.
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A loop of communication between the lateral and medial pectoral nerves is also an anterior relation.