Category:Vena

Ve"na, n.; pl. Venæ. Etym: [l. See vein.]

Defn: a vein. Vena cava; pl. Venæ cavæ. Etym: [l., literally, hollow Vein.] (anat.) Any one of the great systemic veins connected directly With the heart.-- Vena contracta. Etym: [l., literally, contracted Vein.] (hydraulics) the contracted portion of a liquid jet at and Near the orifice from which it issues. -- vena portæ; pl. Venæ portæ. Etym: [l., literally, vein of the Entrance.] (anat.) The portal vein of the liver. See under portal.