Arch of aorta

Arch of aorta starts at the level of sternal angle and also end here.


It gives three branche’s 

1. Brachio Cephalic artery-
It is divide into right common carotid and right subclavian artery.


2. Left common carotid artery-
Each common carotid artery (CCA) is divide into internal and external carotid artery and supply to the head and neck region.


3. Left subclavian artery-
Subclavian artery further continues in the axillary artery, brachial artery.


After crossing 1st rib subclavian artery is called axillary artery and after crossing teres major axillary artery is called brachial artery.


Brachial artery gives two terminal branches, radial and ulnar artery.

In hand radial and ulnar artery form superficial and deep palmar arches.

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