Axilla

Question 1

Lateral border of axilla

Answer 1

Intertubercular groove of humerus

Question 2

Medial border of axilla

Answer 2

Serratus anterior and thoracic wall

Question 3

Anterior border of axilla

Answer 3

Pectoralis major,
Pectoralis minor,
Subclavius

Question 4

Posterior border of axilla

Answer 4

Subscapularis,
Teres major,
Latissimus dorsi

Question 5

Apex of axilla

Answer 5

Lateral border of first rib,
superior border of scapula,
posterior border of clavicle

Question 6

Contents of axilla

Answer 6

Axillary artery,
Axillary vein,
Brachial plexus,
Tendon of biceps brachii,
Tendon of coracobrachialis,
Axillary lymph nodes

Question 7

Routes by which structures leave the axilla

Answer 7

Immediately inferiorly and laterally,
Quadrangular space (posterior wall),
Clavipectoral triangle (anterior wall)

Question 8

What leaves axilla via quadrangular space

Answer 8

Axillary nerve,

Posterior circumflex humeral artery

Question 9

What leaves axilla via clavipectoral triangle

Answer 9

Cephalic vein,

Medial and lateral pectoral nerves

Question 10

Where is the axilla

Answer 10

Underneath glenohumeral joint

Between thorax and upper limb