ISLAND

n. I'l'nd. Lat., insula. Fr., lie. Ger., Insel. In anatomy, a structure more or le detached from a main ma and surrounded by structures of a different sort. Blood-i's. See under BLOOD. Epithelial i's. Ger., Epithelinseln. Keimepithelinseln. Patches of germinal cells between the endothelial cells of the ovary in the Amphibia. [" Quart. Jour, of Micr. Sci.," 1882, p 260; "Arch. f. Mikr. Anat.," 1878, p. 397 (J).] I. of Reil. See INSULA (1st def.). [s. 499]