precava
[pree-key-vuh, -kah-]
- See under vena cava.
- (in squids) either of a pair of veins that pass through the kidney to the branchial heart.
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Origin of precava
vena cava
[vee-nuh key-vuh]
- 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.
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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
vena cava
- either one of the two large veins that convey oxygen-depleted blood to the heart
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Word Origin
Latin: hollow vein
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for precava
vena cava
Online Etymology Dictionary, © 2010 Douglas Harper
precava
(prē-kā′və, -kä′-)Show More
vena cava
(kā′və)- Either of the two venae cavae, designated inferior and superior.cava
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
vena cava
[vē′nə kā′və]
- 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.
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The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.