azygos system of veins

Question 1

what does the azygos system of veins consist of?

Answer 1

the azygos vein, the hemiazygos vein, and the accessory hemiazygos vein.

Question 1

where does the azygos vein originate from?

Answer 1

from L1/L2, it originates from the confluence between the right ascending lumbar vein and the right subcostal vein

Question 2

how does the azygos vein arch?

Answer 2

it arches to supply the superior vena cava at around T4

Question 3

what are the tributaries of the azygos vein?

Answer 3

the azygos veins receive tributaries from the
a. superior intercostal vein,
b. intercostal space from 5-9
c. vena mediastinal
d. venapericardial
e. vena bronkus kanan
f. vena esofageal
g. vena azygos
h. vena hemiazygos

Question 4

what is the hemiazygos vein?

Answer 4

the hemiayzgos vein is located on the left side of the human body, where this particular vein receives tributaries from the lower 4/5 intercostal spaces and also from the mediastinal and the esophageal veins

it goes into the azygos vein at around T9

Question 5

what is the acessory hemiazygos vein?

Answer 5

the vein that receives tributaries from the top 4-8 intercostal spaces

it goes into the azygos vein at T8