(biology) A small crossvein at the front of the wing of a dragonfly or damselfly

plural of antenodal vein

(anatomy) A short venous trunk of the face that is formed by the union of veins from the pterygoid plexus and that joins with the superficial temporal vein to form a vein which contributes to the formation of the external jugular vein.

(anatomy) The main vein conveying blood from the arm or forelimb, which is a continuation of the axillary vein and joins with the internal jugular vein to form the brachiocephalic vein.

plural of renal vein

(anatomy) Either of the two large veins of which each drains blood from one of the kidneys and empties into the inferior vena cava.

(anatomy) A vein that drains blood from the spleen and empties into the hepatic portal vein.

plural of fissure vein

(geology) A crack in the surface of the Earth which contains mineral matter.

plural of Giacomini vein