Axilla

Question 1

What forms the anterior and posterior axillary folds?

Answer 1

Anterior: pectoralis major muscle
Posterior: tendon of latissimus dorsi

Question 2

What is the content of the axilla?

Answer 2

1. Vessels (artery + vein)
2. Lymph nodes
3. Fat
4. Tail of the breast
5. Brachial plexus

Question 3

What does the axillary artery starts and ends as?

Answer 3

Subclavian artery —> Axillary artery —> Brachial artery

Question 4

What are the anterior and posterior circumflex arteries branches of?

Answer 4

The third part of the axillary artery which is below pectoralis minor

Question 5

Branches of which major vessels make up the anastomosis around the scapula?

Answer 5

Subclavian and third part of axillary

Question 6

What does the axillary vein starts and ends as?

Answer 6

Basilic vein —> Axillary vein —> Subclavian vein.

Question 7

What are the nerves affected with erb’s palsy

Answer 7

Axillary, muculocutaneous, suprascapular nerves. Unopposed action of latissimus dorsi and pectoralis major results in a medially rotated, adducted arm.

Question 8

Which artery gives off deep palmar arch in the hand?

Answer 8

Radial artery

Question 9

Which artery gives off superficial palmar arch in the hand?

Answer 9

Ulnar artery