ve·na ca·va /ˌvinəˈkevə/
 大靜脈
 ve·na ca·va /ˌvɪnəˈkevə/ 名詞
 (拉)腔靜脈
 Ve·na n.; pl. Venae   A vein.
 Vena cava; pl. Venae cavae. [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 portae; pl. Venae portae. [L., literally, vein of the entrance.] Anat. The portal vein of the liver. See under Portal.
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 vena cava
      n : either of two large veins that return oxygen-depleted blood
          to the right atrium of the heart