PECTORAL REGION
- PECTORAL REGION
- Skin
- Superficial fascia
- Contents
- Cutaneous nerves
- derived from cervical plexus
- supraclavicular nerves
- medial , lateral and intermediate
- supply the skin over upper half of deltoid
- from clavicle to second rib
- intercostal nerves
- anterior and lateral cutaneous branches
- supply skin below level of second rib
- intercostobranchial nerve of T2 supplies
- skin of floor of axilla
- upper half of medial side of arm
- cutaneous vessels
- perforating branches of internal thoracic artery
- lateral cutaneous nerves are accompanied
- lateral cutaneous branches of posterior intercostal arteries
- platysma
- supplied by a branch of facial nerve
- Above pectoralis major muscle
- Deep pectoral fascia
- covers pectoralis major muscle
- Below pectoralis major muscle
- Clavipectoral fascia
- extent
- clavicle to axillary fascia below
- upper part splits
- to enclose subclavius muscle
- posterior lamina
- fused to investing layer of deep cervical fascia
- inferiorly splits to enclose pectoralis minor muscle
- pierced by
- lateral pectoral nerve
- cephalic vein
- thoracoacromial artery
- lymphatics passing from breast and pectoral region to apical group of axillary lymph nodes
