Thoracic Limb Vasculature

Question 1

What artery runs over the axillary lymph node?

Answer 1

Lateral thoracic artery

Question 2

What is the parent branch of the cranial circumflex humeral artery?

Answer 2

Axillary artery–>cranial circumflex humeral artery

Question 3

What is the parent branch of the caudal circumflex humoral artery?

Answer 3

Subscapular artery–>caudal circumflex humoral artery

Question 4

Which artery supplies blood to the triceps brachii muscle?

Answer 4

Deep brachial artery

Question 5

What artery is the principal blood supply to the manus?

Answer 5

Median artery (passes through carpal canal)

Question 6

Which vein is on the dorsal surface of the distal antebrachium?

Answer 6

Accessory cephalon vein

Question 7

Which vein is typically used for placing an IV catheter in the forelimb?

Answer 7

Cephalic vein

Question 8

What artery/arteries in the equine give rise to the medial and lateral palmar digital arteries?

Answer 8

The medial and lateral palmar digital arteries are given off by the medial palmar artery.

Question 9

What artery gives off the medial and lateral palmar metacarpal arteries?

Answer 9

The lateral palmar artery gives off the medial and lateral palmar metacarpal arteries.

Question 10

What are the main arteries that supply the thoracic limb from the subclavian artery to the digits?

Answer 10

Subclavian artery–> axillary artery–> brachial artery–> median artery