Membrane



[mem-breyn] /ˈmɛm breɪn/

noun
1.
Anatomy. a thin, pliable sheet or layer of animal or vegetable tissue, serving to line an organ, connect parts, etc.
2.
Cell Biology. the thin, limiting covering of a cell or cell part.
/ˈmɛmbreɪn/
noun
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
n.

early 15c., “thin layer of skin or tissue,” a term in anatomy, from Latin membrana “a skin, membrane; parchment (skin prepared for writing),” from membrum “limb, member of the body” (see member). The etymological sense is “that which covers the members of the body.”

membrane mem·brane (měm’brān’)
n.

membrane
(měm’brān’)

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  • Membrane potential

    membrane potential n. The potential inside a cell membrane measured relative to the fluid just outside; it is negative under resting conditions and becomes positive during an action potential.



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