lipid bilayer

lipid bilayer
phospholipid bilayer the structure common to all biological membranes, consisting of two layers of phospholipids with their hydrophilic head groups exposed to the aqueous medium and hydrophobic tails directed inward.

Lipid bilayer, a fluid barrier to permeability, with polar head groups exposed and hydrophobic tails sequestered.


Medical dictionary. 2011.

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  • Lipid bilayer — [ phosphatidylcholine.] A lipid bilayer or bilayer lipid membrane (BLM) is a membrane composed of lipid molecules (usually phospholipids). The lipid bilayer is a critical component of all biological membranes, including cell membranes, and so is… …   Wikipedia

  • Lipid bilayer fusion — Illustration of lipid vesicles fusing showing two possible outcomes: hemifusion and full fusion. In hemifusion only the outer bilayer leaflets mix. In full fusion both leaflets as well as the internal contents mix. Fusion is the process by which… …   Wikipedia

  • lipid bilayer — See phospholipid bilayer …   Dictionary of molecular biology

  • lipid bilayer — Cell Biol. See phospholipid bilayer. * * * …   Universalium

  • lipid bilayer — Cell Biol. See phospholipid bilayer …   Useful english dictionary

  • Lipid-Bilayer — Eine Doppellipidschicht (oder Lipiddoppelschicht) ist eine Struktur, die viele amphiphile Lipide bei der Mischung mit einem polaren Lösungsmittel (z. B. Wasser) bilden. Bei der Mischung mit einem apolaren Lösungsmittel (z. B. Öl) bildet sich eine …   Deutsch Wikipedia

  • Model lipid bilayer — A model lipid bilayer is any bilayer assembled in vitro, as opposed to the bilayer of natural cell membranes or covering various sub cellular structures like the nucleus. A model bilayer can be made with either synthetic or natural lipids. The… …   Wikipedia

  • Lipid raft — organisation, region (1) is standard lipid bilayer, while region (2) is a lipid raft. The plasma membrane of cells is made of a combination of glycosphingolipids and protein receptors organized in glycolipoprotein microdomains termed lipid… …   Wikipedia

  • lipid — /lip id, luy pid/, n. Biochem. any of a group of organic compounds that are greasy to the touch, insoluble in water, and soluble in alcohol and ether: lipids comprise the fats and other esters with analogous properties and constitute, with… …   Universalium

  • Lipid — Structures of some common lipids. At the top are oleic acid[1] and cholesterol.[2] The middle structure is a triglyceride composed of oleoyl, stearoyl, and palmitoyl chains at …   Wikipedia

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