or'gan

Any individual part, or system of parts, of an organism, having a specific physiological function, considered with reference to its action, proce es, or results, acce ory o's. O's which have a subordinate The limbs, function, enamel appendicular o. Of Purkinje,o's. the special enamel germ after it has become differentiated into a three-layered o., which covers the enlarged tooth papilla like a cap. end o. See under separate heading, dispose of excretory o's. The substances the excrementitious o's which of the body, generative o's, genital o's. The o's which are concerned in the reproduction o. The canal ofa the few species. Jacob son's millimeters in length which extends along the septum of Stenson's duct to end in a blind extremity. It is the homologue of a more extensively developed o. in some animals having a more acute sense of smell. In man it is only rudimentary, o. of Corti. The terminal apparatus of the cochlear nerve. It lies on the membranous spiral lamina which springs from the free edge of the o eous spiral lamina. It consists of the rods of Corti, the two rows of which form the arches of Corti. o. of Giraldes. See paradidymus. o. Of Rosenmiiller. sense. The structures See epoophoron. o's the endowed with of special senses (i. e., the skin and some of the mucous membranes, the ears, the eyes, the nose, and the portion of the mouth po e ing the sense of taste). uropoietic o's. The kidneys, vibratile o's. Cilia. [Gr., organon, an organ.]