spleen

Syn.: lien, hepar sinistra. A soft vascular organ, consisting of lymphoid ti ue, about five inches in length, four in breadth, and an inch in thickne . It ki situated in the supper left quadrant of the abdomen, acce ory s. A nodule (of which there may be a number) of splenic ti ue in the vicinity of the spleen, floating s. or wandering s. An anomalous condition of the s. in which the organ is movable, generally enlarged, and no longer protected by the ribs in the left hypochondriac region, and lies on the brim of the pelvis or even in the right side of the abdomen. Indian s. The hypertrophied or indurated s. observed in Anglo-Indians. lardaceous s. Enlargement of the s. from the presence of lardaceous matter. See amyloid degeneration, under degeneration, sago s. Amyloid degeneration of the follicles of the s. presenting on section the appearance of sago grains, waxy s. See lardaceous s. [Gr., splen.]