среда, 7 сентября 2016 г.

Axilla

 

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Axilla boundaries

Boundaries

Anteriorly:
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  • Pectoralis major.
  • Pectoralis minor.
  • Clavipectoral fascia.
Posteriorly:
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  • Subscapularis
  • Teres major.
  • Latissimus dorsi.
Laterally:
  • Coracobrachialis
  • Short head of Biceps.
  • Upper part of humerus.
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Medially:
  • Upper four ribs with their intercostals muscles.
  • Upper part of serratus anterior muscle.
Base: It is formed by the skin and fascia.
Apex: It is directed upwards and medially towards the neck.
It is bounded by:
In front: By posterior surface of clavicle.
Behind: By superior border of scapula.
Medially: By outer border of first rib.

Axillary content
Contents:
  • Axillary artery & its branches.
  • Axillary vein & its tributaries.
  • Lower part of brachial plexus & its infraclavicular branches.
  • Lateral cutaneous branches of 2nd & 3rd intercostals nerve.
  • Terminal part of cephalic vein.
  • Long thoracic nerve.
  • Five groups of axillary lymph nodes and lymph vessels.
  • Axillary fat.

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