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vena |
2 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Vena \Ve"na\, n.; pl {Ven[ae]}. [L. See {Vein}.] A vein. {Vena cava}; pl {Ven[ae] cav[ae]}. [L., literally, hollow vein.] (Anat.) Any one of the great systemic veins connected directly with the heart. {Vena contracta}. [L., literally, contracted vein.] (Hydraulics) The contracted portion of a liquid jet at and near the orifice from which it issues. {Vena port[ae]}; pl {Ven[AE] port[ae]}. [L., literally, vein of the entrance.] (Anat.) The portal vein of the liver. See under {Portal}. From WordNet r 1.6 [wn]: vena n : a blood vessel that carries blood from the capillaries toward the heart; all veins except the pulmonary carry unaerated blood [syn: {vein}]
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