vena cava
Americannoun
noun
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Either of two large veins that carry blood with low levels of oxygen to the right atrium of the heart.
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◆ The superior vena cava receives blood from the brain and upper limbs or forelimbs.
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◆ The inferior vena cava drains blood from the trunk and lower limbs or hindlimbs and is the largest vein in the body.
Other Word Forms
Noun Inflected Forms
Etymology
Origin of vena cava
First recorded in 1590–1600; from Latin vēna cava, literally “hollow vein”
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Seven years earlier, the man had a CT scan that showed an almost total blockage of his vena cava.
From New York Times ● Nov. 30, 2022
Parkhurst put a tiny tube through an incision into the patient’s jugular vein in his neck and slowly advanced it down past the heart into the vena cava where the filter was located.
From New York Times ● Nov. 30, 2022
The lymph fluid passes through lymph nodes before it returns to the heart via the vena cava.
From Textbooks ● Jun. 9, 2022
Immediately superior and slightly medial to the opening of the inferior vena cava on the posterior surface of the atrium is the opening of the coronary sinus.
From Textbooks ● Jun. 19, 2013
The aorta and vena cava were united above the origin of the iliac arteries, so that no severing operation could have been performed without destroying them both.
From Curiosities of Medical Experience by Millingen, J. G. (John Gideon)
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.