Membrane

n. thin and soft layer of animal or plant tissue that covers or lines an organ or part, membrana

In medicine, microbiology, cellular physiology and biochemistry a membrane is a thin layer that separates various cellular structures or organs. It usually includes lipid bilayer reinforced by proteins and other macromolecules, and can refer to:Basement membrane, the combination of the basal lamina and lamina reticularis or of two basal laminaeBiological membraneCell membraneEndomembrane system that divides the cell into organellesOuter membrane or inner membrane of an organelleS-layer, a cell membrane of bacteriaMucous membraneSerous membrane and mesothelium that surround organs, including:Peritoneum that lines the abdominal cavityPericardium that surrounds the heartPleura that surround the lungsPeriosteum, membrane that surrounds boneThe meninges that surround the brain: the dura mater, arachnoid mater, and the pia materSkin, part of the integumentary system
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Membrane /mem·brane/ a thin layer of tissue that covers a surface, lines a cavity, or divides a space or organ. [more]Membrane - Community and Resources

Noun
1. a thin pliable sheet of material
(hypernym) sheet, flat solid
(hyponym) drumhead, head
2. a pliable sheet of tissue that covers or lines or connects organs or cells of animals
(synonym) tissue layer
(hypernym) animal tissue
(hyponym) trophoblast
(substance-meronym) phospholipid

n. membrana, membrane, tegument, thin and soft layer of animal or plant tissue that covers or lines an organ or part

adj. membranaceous, of or pertaining to a membrane