Axilla Flashcards
What forms the apex of the axilla
Lateral border of first rib
Superior border of scapula
Posterior border of clavicle
What forms the lateral wall of the axilla
Bicipital groove of humerus
What forms the medial wall of the axilla
Serratus anterior
Thoracic wall
What forms the anterior wall of the axilla
Pectoralis major
Pectoralis minor
What forms the posterior wall of the axilla
Subscapularis
Teres major
Latissimus dorsi
What are the contents of the axilla
Axillary artery Axillary vein Brachial plexus Biceps brachii Coracobrachialis Lymph nodes
What is the quadrangular space
Gap in the posterior wall of the axilla allowing access to posterior arm and shoulder area
What structures pass through the quadrangular space
Axillary nerve
Posterior circumflex humeral artery (branch of axillary nerve)
What is the clavipectoral triangle
An opening in the anterior wall of the axilla
What are the borders of the clavipectoral triangle
Pectoralis major
Deltoid
Clavicle
What enters the axilla through the clavipectoral triangle
Cephalic vein
What leaves the axilla through the clavipectoral triangle
Medial pectoral nerves
Lateral pectoral nerves
What is thoracic outlet syndrome
Where vessels and nerves become compressed at apex of axilla
