precava
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precava
[pre-ka´vah] Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
su·pe·ri·or ve·na ca·va
(sŭ-pēr'ē-ŏr vē'nă kā'vă) Returns blood from the head and neck, upper limbs, and thorax to the posterosuperior aspect of the right atrium; formed in the superior mediastinum by union of the two brachiocephalic veins.
Synonym(s):
vena cava superior [TA] ,
precava.
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