Mem´brane, n. Thin soft sheet of various structure covering a part or organ. Cerebral or spinal membrane. See Meninges. Nictitating membrane, the third or inner eyelid of birds, which sweeps across the ball. Soft skinny covering of the bill of many birds is said to be membranous. Webbing of the toes is the interdigital membrane. Loma is a fringed membrane.
Mem´brum, n.; pl. membra. Any limb, or other peripheral part, as a bill, as distinguished from body proper or truncus.
Menin´ges, n. pl. Envelopes of the brain or spinal cord; especially the dura mater and pia mater. (The singular, meninx, is scarcely used.)
Men´tal, a. Pertaining to the chin.
Men´tum, n. Chin; soft parts between the branches of the lower jaw.
Mesenceph´alon, n. A certain brain-tract, the second from behind.
Mesenter´ic, a. Pertaining to the mesentery.
Mes´entery, n. A fold of the peritoneum binding the intestines in place.
Mesera´ic, a. Same as Mesenteric (which see).
Me´sial, a. In the middle; same as median.