vena precava

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• precava — [prē kā′və] n. pl. precavae [prē kā′vē] [ PRE + (VENA) CAVA] the superior vena cava of four limbed vertebrates precaval adj …   English World dictionary

• vena cava — /vee neuh kay veuh/, pl. venae cavae /vee nee kay vee/. Anat. 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… …   Universalium

• precava — precaval, adj. /pree kay veuh, kah /, n., pl. precavae / kay vee, kah vuy/. 1. See under vena cava. 2. (in squids) either of a pair of veins that pass through the kidney to the branchial heart. [1865 70; PRE + (VENA) CAVA] * * * …   Universalium

• precava — SYN: superior vena cava. * * * pre·ca·va (pre kaґvə) vena cava superior. precaval adj …   Medical dictionary

• precava — 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 • Syn: ↑superior vena cava • Hypernyms: ↑vena cava …   Useful english dictionary

• vena — SYN: vein. [L.] v. advehens, pl.venae advehentes collective term for a series of branching channels in the early embryo receiving blood from the umbilical and/or vitelline venous systems and passing the mixed blood to the sinusoids of the live …   Medical dictionary

• precava — n. superior vena cava, large vein which carries blood from the upper section of the body (head, neck, thorax and armst) to the right atrium of heart (Medicine); any one of a pair of veins passing through the kidney to the branchial heart in… …   English contemporary dictionary

• superior vena cava — 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 • Syn: ↑precava • Hypernyms: ↑vena cava * * * noun : the portion of the caval system of a… …   Useful english dictionary

• superior vena cava — pl. superior venae cavae. See under vena cava. See illus. under heart. Also called precava. [1905 10] * * * …   Universalium

• superior vena cava — n. (Medicine) precava, large vein which carries blood from the upper section of the body (head, neck, thorax and arms) to the right atrium of heart …   English contemporary dictionary