Arteries + Veins + nerves of UL - idk

Question 1

What artery accompanies the axillary n. as it exits the axilla and as it winds around the surg. neck of humerus?

Answer 1

post. circumflex humeral artery

Question 2

where does the axillary n. lie in relation to the axillary A.?

Answer 2

Posterior

Question 3

pathway of axillary nerve

Answer 3

Branch of posterior cord of brachial plexus
Lies posterior to the axilary A.
Exits the axilla along with post. cirum. A. and passes thru the quad. space and exits it to reach the posterior shoulder region
Winds around the surgical neck of the humerus along with the posterior circumflex humeral artery deep to deltoid musc.
Supplies the teres minor and deltoid musc.
And skin on upper and lateral aspect of the arm. (badge area - skin over deltoid).

Question 4

What structures lie in the spiral groove?

Answer 4

Radial nerve
profunda brachii artery (branch of brachial A)

Question 5

Which spinal nerve supplies all intrinsic muscles of the hand?