- See under vena cava.
- (in squids) either of a pair of veins that pass through the kidney to the branchial heart.
Origin of precava
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for precaval
These latter uniting with the anterior cardinal (jugular) veins form the ducts of Cuvier (precaval veins).The Anatomy of the Human Peritoneum and Abdominal Cavity
George. S. Huntington
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.