Axilla

Question 1

axilla boundaries - apex boundaries

Answer 1

first rib
scapula
clavicle

Question 2

apex communicates the _____ with the _______ by ________

Answer 2

the neck with the axilla by axillary vessels and nerves

Question 3

anterior (pectoral) wall of axilla layers

Answer 3

1. superficial layer

2. deep layer

Question 4

the superficial layer of the anterior wall is formed from

Answer 4

pectoralis major muscle

Question 5

the deep layer of the anterior wall is formed from

Answer 5

1. subclavius muscle
2. clavi pectoral fascia
3. pectoralis minor muscle
4. suspensory ligament of axilla

Question 6

anterior fold of axilla

Answer 6

lower border of anterior wall and formed by twisted lower border of pectoralis major

Question 7

pectoralis (subscapular) wall is formed from

Answer 7

1. subscapularis
2. teres major
3. latissimus dorsi

Question 8

posterior fold of axilla is formed from

Answer 8

teres major and latissimus dorsi

Question 9

lateral (humeral) wall formed by

Answer 9

1. bicipital groove of humerus
2. short head of biceps muscle
3. coracobrachialis muscle

Question 10

muscle (costal) wall formed by

Answer 10

1. upper 4 ribs

2. upper part of serratus anterior

Question 11

base (floor) is formed by

Answer 11

1. skin
2. uperficial fossa
3. deep (axillary) fascia