Source:http://linkedlifedata.com/resource/umls/id/C1704638
NCI: A solid dosage form bounded by a circular base and the surface formed by line segments joining every point of the boundary of the base to a common vertex. A cone (usually containing antibiotics) is normally placed below the gingiva after a dental extraction. (NCI),NCI: A solid with a shape bounded by a circular base converging upon a single vertex.