NEET PG Medical – 2016 – Question – 11
All of the following help in formation of IVC except –
a) The posterior intercardinal anastomosis
b) Terminal portion of right vitelline vein
c) Segment of right cardinal vein
d) Subcardinal sinus
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Correct Answer – D
Ans. D. Subcardinal sinus
The inferior vena cava is composed of (from caudal to cranial):
1. Posterior intercardinal anastomosis.
2. The caudal portion of the right supracardinal vein.
3. The right anastomosis between the supracardinal and the subcardinal veins.
4. A segment of the right subcardinal vein.
5. The anastomosis between the right subcardinal and right vitelline veins.
6. The terminal portion of the right vitelline vein. minora.
