The insertion of a needle into a vein (see VEINS), usually for the purpose of injecting a drug or withdrawing blood for haematological or biochemical analysis. The usual site for venepuncture in adults is the median cubital vein in the forearm.... venepuncture
n. (pl. fossae) a depression or hollow. The cubital fossa is the triangular hollow at the front of the elbow joint; the iliac fossa is the depression in the inner surface of the ilium; the pituitary fossa is the hollow in the sphenoid bone in which the pituitary gland is situated; a tooth fossa is a pit in the enamel on the surface of a tooth.... fossa