precava
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precava
(priːˈkɑːvə)n
(Anatomy) the superior vena cava, the vein which carries blood from the head, chest and arms back to the heart; more generally, any cranial vena cava
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Noun | 1. | 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 vena cava - either of two large veins that return oxygen-depleted blood to the right atrium of the heart |
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