Layer 4 of pectoral region - Layer of superficial muscles  
 

These layers are imaginary based on dissections of the pectoral region. This layer contains the following

 

DIGITAL LOCATOR OF PECTORAL REGION: Layer 1 Layer of skin of pectoral region. Layer 2 Layer of superficial fascia of pectoral region. Layer 3 Layer of pectoral (deep) fascia. Layer 4 Layer of superficial layer of muscles. Layer 5 Layer of intermediate layer of muscles. Layer 6 Layer of deep layer of muscles. Layer 7 Layer of layer of joints of pectoral region. Layer 8 Rotate layer of bones of pectoral girdle/region. Rollover mouse to label; click to display page.

 

Layer 4
Superficial layer of muscles contains

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  

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Electronic School of Medicine
Creator: Oluwole Ogunranti


Pectoral region video     Pectoral layers  links    Electronic dissector    Structure locator

 
Layer 4 of pectoral locator- Skin of pectoral region. Rollover mouse to label

  
Pectoral dissection video

 

 

 

Dissector
Lymphatic drainage
Organ integration
Clinical anatomy

Axilla
Pectoral girdle

Shoulder joint
Shoulder assembler

Clinical examination
Injuries to humerus

Injuries to shoulder joint
Surgical approach to shoulder joint
Putti-Platt procedure
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