- See under vena cava.
Origin of postcava
- either of two large veins discharging blood into the right atrium of the heart, one (superior vena cava or precava) conveying blood from the head, chest, and upper extremities and the other (inferior vena cava or postcava) conveying blood from all parts below the diaphragm.
Origin of vena cava
First recorded in 1590–1600, vena cava is from the Latin word vēna cava hollow vein
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for postcava
To the right auricle come three large veins, the right and left prcav and the postcava.Elementary Zoology, Second Edition
Vernon L. Kellogg
The postcava is well developed, formed by large efferent renal veins.
The postcava now carries the blood from the kidneys directly to the heart.
(b) The ven hepatic revehentes do not empty directly into the sinus venosus, but into the proximal portion of the postcava.
The termination of the hepatic veins in the postcava corresponds to the stage shown in schema Fig. 256.
- anatomy the inferior vena cava
C19: New Latin; see post-, vena cava
- either one of the two large veins that convey oxygen-depleted blood to the heart
Latin: hollow vein
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for postcava
Online Etymology Dictionary, © 2010 Douglas Harper
- Either of the two venae cavae, designated inferior and superior.cava
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- Either of two large veins that carry blood with low levels of oxygen to the right atrium of the heart.♦ The superior vena cava receives blood from the brain and upper limbs or forelimbs.♦ The inferior vena cava drains blood from the trunk and lower limbs or hindlimbs and is the largest vein in the body.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.