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Pectoral region video     Pectoral layers  links    Electronic dissector    Structure locator

Pectoral region
Layer 5- intermediate layer of muscle

Click to dissect from intermediate muscle layer of pectoral region (layer 5) to deep muscle layer of pectoral region (layer 6)

1 trapezius 2 thoracoacromial artery 3 clavipectoral fascia 4 pectoralis minor and fascia 5 serratus anterior  6 thoracodorsal nerve 7 ulnar nerve 8 brachial artery 9 cut part of pectoralis major 10 head of humerus 11 long head of biceps brachii tendon 12 cut and reflected distal end of pectoralis minor 13 median nerve 14 medial cutaneous nerve of forearm 15 biceps brachii belly 16 clavicle  17 deltoid (cut)

Brachial plexus  

Museum specimen

Museum diagram

Gross anatomy Museum

Electronic School of Medicine <www.oluwoleogunranti.com>
Museum of Human Anatomy <www.mhajos.org>

Layer's theory





Remove trapezius, pectoralis minor, serratus anterior, biceps brachii, to expose subscapularis, axillary vessels and scapula anastomoses around the scapula and the radial nerve.  
Dissect pectoralis minor


Electronic School of Medicine
Creator: Oluwole Ogunranti