Superior pa of IVC develops from which pa?: (A) Right vitelline vein, (B) Subcardinal vein, (C) Anterior cardinal vein, (D) Sacrocardinal vein
Answer is A. Anterior cardinal vein and subcardinal vein will be degenerated during development where as sacrocardinal segment forms the inferior pa. Reference: TEXTBOOK OF CLINICAL EMBRYOLOGY.... VISHRAM SINGH SECOND EDITION....PAGE NO:245