band. 1

Any appliance or structure that encircles or constricts the body or a limb. 2. Any ribbon-shaped or cordlike structure that constricts, binds, or connects two or more portions of the anatomy, amniotic formed b's. B's times on of the false membrane, inner some surface of the amnion, and extending to or encircling certain portions of the fetus. By their contraction they may give rise to malformations, a no genital b. A transverse b. of integument, the rudiment of the perineum, which completes the division of the cloaca in the embryo. axis b. The primitive streak of Von Baer. b. of Red. Syn.: lateral internal fasciculus. A triangular space on the lateral face of the crus cerebri, below the testes, constricting b. The intersegmental or intercellular substance at the nodes of Ranvier. epithelial b. A band in the embryo composed at first of a central band of polygonal cells, covered by a layer of columnar epithelium, extending the whole length of the jaws, from which the teeth are formed, furrowed b. A small b. or ridge of gray matter, connecting the uvula of the cerebellum with the amygdalae, iliotibial b. A thickening of the fascia running down the outer side of the thigh, inferior vocal b's. Syn.: true vocal b's (or cords). Two anteroposterior folds, one on each side of the internal surface of the larynx, at the lower extremity of the glottis, which by their varying degree of approximation and tension, govern the pitch of the voice, inner b. of the colon. A thick b. formed by the muscular coat extending along the inner aspect of the ascending and descending colon and the lower aspect of the transverse colon, mesoblastic b. A row of mesoblastic cells extending the whole length of the embryo, moderator b's. The columnae carneae of the ventricles of the heart in mammals, extending from the inner to the outer side of the cavity, posterior b. of the colon. Syn.: posterior ligament of the colon. A band like thickening of the muscular coat of the colon running along its attached border, superior vocal b's. Syn.: false vocal b's (or cords). Two lateral folds, one within each side of the larynx, at the upper extremity of the glottis, supra-orbital b's. The thickenings above and to the outer side of the eyes in the embryo, vocal b's. See inferior vocal b's and superior vocal b's. [Mid. Eng., band, a band.]