Definition of membrane

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Membrane (n.) A thin layer or fold of tissue, usually supported by a fibrous network, serving to cover or line some part or organ, and often secreting or absorbing certain fluids..

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Crystalloid :: Crystalloid (n.) A body which, in solution, diffuses readily through animal membranes, and generally is capable of being crystallized; -- opposed to colloid..
Pecten :: Pecten (n.) A vascular pigmented membrane projecting into the vitreous humor within the globe of the eye in birds, and in many reptiles and fishes; -- also called marsupium..
Hemoptysis :: Hemoptysis (n.) The expectoration of blood, due usually to hemorrhage from the mucous membrane of the lungs..
Lacuna :: Lacuna (n.) A small opening; a small depression or cavity; a space, as a vacant space between the cells of plants, or one of the spaces left among the tissues of the lower animals, which serve in place of vessels for the circulation of the body fluids, or the cavity or sac, usually of very small size, in a mucous membrane..
Reflection :: Reflection (n.) A part reflected, or turned back, at an angle; as, the reflection of a membrane..
Vespertiliones :: Vespertiliones (n. pl.) A tribe of bats including the common insectivorous bats of America and Europe, belonging to Vespertilio and allied genera. They lack a nose membrane..
Epithelium :: Epithelium (n.) The superficial layer of cells lining the alimentary canal and all its appendages, all glands and their ducts, blood vessels and lymphatics, serous cavities, etc. It often includes the epidermis (i. e., keratin-producing epithelial cells), and it is sometimes restricted to the alimentary canal, the glands and their appendages, -- the term endothelium being applied to the lining membrane of the blood vessels, lymphatics, and serous cavities..
Fin-toed :: Fin-toed (a.) Having toes connected by a membrane; palmiped; palmated; also, lobate..
Corium :: Corium (n.) The deep layer of mucous membranes beneath the epithelium.
Pinnatiped :: Pinnatiped (n.) Any bird which has the toes bordered by membranes.
Phonautograph :: Phonautograph (n.) An instrument by means of which a sound can be made to produce a visible trace or record of itself. It consists essentially of a resonant vessel, usually of paraboloidal form, closed at one end by a flexible membrane. A stylus attached to some point of the membrane records the movements of the latter, as it vibrates, upon a moving cylinder or plate..
Pia Mater :: Pia mater () The delicate and highly vascular membrane immediately investing the brain and spinal cord.
Roe :: Roe (n.) The ova or spawn of fishes and amphibians, especially when still inclosed in the ovarian membranes. Sometimes applied, loosely, to the sperm and the testes of the male..
Pericardium :: Pericardium (n.) The double baglike fold of serous membrane which incloses the heart.
Myelitis :: Myelitis (n.) Inflammation of the spinal marrow or its membranes.
Stenodermine :: Stenoderm (n.) Any species of bat belonging to the genus Stenoderma, native of the West Indies and South America. These bats have a short or rudimentary tail and a peculiarly shaped nose membrane..
Chorion :: Chorion (n.) The outer membrane which invests the fetus in the womb; also, the similar membrane investing many ova at certain stages of development..
Subpetiolar :: Subperitoneal (a.) Situated under the peritoneal membrane.
Bat :: Bat (n.) One of the Cheiroptera, an order of flying mammals, in which the wings are formed by a membrane stretched between the elongated fingers, legs, and tail. The common bats are small and insectivorous. See Cheiroptera and Vampire..
Gastropneumatic :: Gastropneumatic (a.) Pertaining to the alimentary canal and air passages, and to the cavities connected with them; as, the gastropneumatic mucuos membranes..
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