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Axilla Flashcards
Axilla Flashcards
9
Medical
Graduate
08/23/2010

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Term
Axilla base
Definition
Skin of armpit and axillary fascia

Extends between lower margins of anterior and posterior axillary folds.
Term
Axilla apex
Definition
Interval between clavicle, upper scapula, and lower border of first rib.
Term
Axilla anterior wall
Definition
Pectoralis major and minor muscles, as referred to as anterior axillary fold
Term
Axilla posterior wall
Definition
Scapula, subscapularis muscle, teres major, and latissiumus dorsi muscles

Also referred to as the posterior axillary fold
Term
Lateral wall
Definition
Intertubercular sulcus
Term
Medial wall
Definition
Serratus anterior muscle, ribs 1-4, and intercostal muscles
Term
Brachial plexus
Definition
Major nerve network supplying the upper limb.
Term
Axillary artery
Definition
Lower border of 1st rib to lower border of teres major muscle

Divided into 3 parts by pectoralis minor muscle: (1) superior thoracic artery, (2) thoracoacromial and lateral thoracic artery, and (3) subscapular, anterior, and posterior circumflex humeral arteries.
Term
Axillary vein
Definition
Forms by union of brachial veins (accompanying veins of the brachial artery) and the basilic vein at inferior border of teres major muscle
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