|1.||any thin pliable sheet of material|
|2.||a pliable sheetlike usually fibrous tissue that covers, lines, or connects plant and animal organs or cells|
|3.||biology a double layer of lipid, containing some proteins, that surrounds biological cells and some of their internal structures|
|4.||physics a two-dimensional entity postulated as a fundamental constituent of matter in superstring theories of particle physics|
|5.||a skin of parchment forming part of a roll|
|[C16: from Latin membrāna skin covering a part of the body, from membrum|
|a network of cells and cell-forming tissue that protects the body from pathogens, destroys infected, malignant cells, and removes cellular debris|
|a semilunar valve between the pulmonary artery and the right ventricle of the heart that prevents the blood from flowing back into the right ventricle|
membrane mem·brane (měm'brān')
A thin pliable layer of tissue covering surfaces, enveloping a part, lining a cavity, or separating or connecting structures or organs.
A thin sheet of natural or synthetic material that is permeable to substances in solution.
|membrane (měm'brān') Pronunciation Key