Vena cava definition: 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 ) conv
The meaning of VENA CAVA is any of the large veins by which in air-breathing vertebrates the blood is returned to the right atrium of the heart.
"vein" (see vein) + cava, from cavus "hollow" (from PIE root *keue- "to swell," also… See origin and meaning of vena cava.
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