TUNIC

n. Tu3n'i2k. Gr., XITIOV. Lat., tunica. Fr., tunique. Ger., Haut, Hiille. A coat, an investing membrane; in botany, a skin or covering membrane, such as the testa of a seed, or a thick or thin separable layer (Ger., Schale), such as one of the coats of an onion, [a, 35.] Chorioid t. The chorioid membrane. [L.] External elastic t. See External elastic COAT. Inner muscular t. of the epididymis. Of Kolliker, a layer of muscular ti ue at the back of the testis and epididymis, beneath the fascia (jropria and opposite the lower two thirds of the testis. [C.] Internal elastic t. See Internal elastic COAT. Vaginal t. See TUNICA vaginal is. [s. 661]