Superior intercostal vein

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Superior intercostal vein
Gray530.png
Intercostal spaces, viewed from the left
Details
Latin Vena intercostalis superior dextra,
vena intercostalis superior sinistra
Source
Posterior intercostal veins #2, #3, and #4
Drains to
Azygos vein, brachiocephalic vein
Intercostal arteries
Identifiers
TA A12.3.04.024
A12.3.07.003
FMA 4797
Anatomical terminology

The superior intercostal veins are two veins that drain the 2nd, 3rd, and 4th intercostal spaces, one vein for each side of the body.

Right superior intercostal vein[edit]

The right superior intercostal vein drains the 2nd, 3rd, and 4th posterior intercostal veins on the right side of the body. It flows into the azygos vein.

Left superior intercostal vein[edit]

The left superior intercostal vein drains the 2nd and 3rd posterior intercostal veins on the left side of the body. It drains into the left brachiocephalic vein. It may also communicate with the accessory hemiazygos vein.

As it passes posteriorly above the aortic arch, it crosses deep to the phrenic nerve and the pericardiacophrenic vessels and then superficial to the vagus nerve.

See also[edit]

External links[edit]