precava

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Definitions from WordNet

Noun precava has 1 sense

superior vena cava, precava - receives blood from the head and arms and chest and empties into the right atrium of the heart; formed from the azygos and both brachiocephalic veins
--₁ is a kind of vena cava

Definitions from the Web

Precava

Definition:

The term "precava" refers to the superior vena cava, the large vein that carries deoxygenated blood from the upper body back to the heart.

Examples:

Noun:

The precava is responsible for returning blood from the head, neck, and upper limbs to the heart.
Doctors found a blockage in the precava during the patient's cardiovascular examination.

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