📒 any of the tubes that carry blood from all parts of the body towards the heart
📒 any of the very thin tubes that form the frame of a leaf or an insect’s wing
📒 a narrow area of a different colour in some types of stone, wood and cheese
📒 a thin layer of minerals or metal contained in rock
📒 an amount of a particular quality or feature in something
📒 a particular style or manner