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membrane

 - 5 dictionary results

mem⋅brane

[mem-breyn]
–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.

Origin:
1375–1425; late ME; ME membraan parchment < L membrāna. See member, -an


mem⋅brane⋅less, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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mem·brane   (měm'brān')   
n.  
  1. Biology

    1. A thin, pliable layer of tissue covering surfaces or separating or connecting regions, structures, or organs of an animal or a plant.

    2. Cell membrane.

  2. A piece of parchment.

  3. Chemistry A thin sheet of natural or synthetic material that is permeable to substances in solution.


[Latin membrāna, skin, from membrum, member of the body.]
mem'bra·nal (-brə-nəl) adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

membrane 
1519, "parchment," from L. membrana "parchment," from membrum "limb, member of the body" (see member). The etymological sense is "that which covers the members of the body." Meaning "thin layer of skin, tissue covering a limb or organ" is attested from 1601.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: mem·brane
Pronunciation: 'mem-"brAn
Function: noun
1 : a thin soft pliable sheet or layer especially of animal or plant origin
2 : a limiting protoplasmic surface or interface —see NUCLEAR MEMBRANE, PLASMA MEMBRANEmem·braned /'mem-"brAnd/ adjective
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

membrane mem·brane (měm'brān')
n.

  1. A thin pliable layer of tissue covering surfaces, enveloping a part, lining a cavity, or separating or connecting structures or organs.

  2. Cell membrane.

  3. A thin sheet of natural or synthetic material that is permeable to substances in solution.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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