GRAY

adj. Gra. Lat., can us, cinereus, grise us. Fr., gris. Ger., grau. Having the color of black or brown mixed with white; ash-colored; as a n.. that color or a substance po e ing it. Deep of the optic lobe. See STRATUM opticum. Diaccelian g. f.he g. matter lining the third ventricle. [I.] Infraventricula g. Of Spitzka, the gray nervous substance in the floor of the fourth ventricle. ["Jour, of Nerv. and Ment. Dis.," April, 1880, p. 51 (I).] Intermediate g. Of Spitzka, that portion of the g. matter of the spinal cord which lies between the anterior and posterior cornua. ["Jour, of Nerv. and Ment. Dis.," vii, 1880, p. 208 (K).] Pons g. Of Spitzka. the g. matter of the pons Varolii. [" Med. Record," Oct. 11, 1884, p. 393 (K).] Reticular g. Of Spitzka, the network or gray nervous substance in the oblong at a especially. [I.] Spinal g. The g. matter of the spinal cord. ["Med. Record," Oct. 18, 1884, p. 421 (K).] Superficial g. of the optic lobe. See STRATUM cinereum. Ventricular g. Of Spitzka, the ventricular g. matter. [K.] [s. 239]