The aorta is the largest artery in the body.
The aorta can be divided into four sections:
1- the ascending aorta
Branches:
The left and right aortic sinuses
2- the aortic arch
Branches:
a-Brachiocephalic trunk
b-Left common carotid artery
c-Left subclavian artery
3- the thoracic (descending) aorta
Branches:
a-Bronchial arteries
b-:Mediastinal arteries
c-Oesophageal arteries
d-Pericardial arterie
e-Superior phrenic arteries
f-Intercostal and subcostal arteries
4-the abdominal aorta.
Branches:
a-Inferior phrenic arteries
b-Coeliac artery
c-Superior mesenteric artery
d-Middle suprarenal arteries
e-Renal arteries
f-Gonadal arteries
g-Inferior mesenteric artery
h-Median sacral artery
i-Lumbar arteries.