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Definition of Precava
1. Noun. 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.
Definition of Precava
1. Noun. (alternative form of praecava) ¹
¹ Source: wiktionary.com
Definition of Precava
1. a vein in higher vertebrates [n -VAE] : PRECAVAL [adj]