vein, vena, venous blood vessel -- (a blood vessel that carries blood from the capillaries toward the heart; "all veins except the pulmonary vein carry unaerated blood")
vein -- (a distinctive style or manner; "he continued in this vein for several minutes")
vein, nervure -- (any of the vascular bundles or ribs that form the branching framework of conducting and supporting tissues in a leaf or other plant organ)
vein, mineral vein -- (a layer of ore between layers of rock)
vein, nervure -- (one of the horny ribs that stiffen and support the wing of an insect)
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