Ossa

(os'-a/t). Bones. O. in no min at a, the irregular bones forming the sides and anterior wall of the pelvis. O. lat a, the broad or flat bones composing the walls of cavities, as the bones of the cranium, in distinction from O. longa, the long bones, as those of the limbs. O. triquetra. See Wormian Bones and Triquetrum. O. wormiana, See Wormian Bones. The arrangement O ature (osr -at-fir). of the bones of the body.