lipid bilayer

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lipid bilayer

[¦lip·id ′bī‚lā·ər]
(cell and molecular biology)
The foundational structure of plasma membranes; it is composed of two layers of phospholipids positioned such that their polar hydrophilic heads face outward and their nonpolar hydrophobic tails are directed inward, blocking entry of water and water-soluble material into the cell.
References in periodicals archive ?
Phospholipid nanosomes are nanometer-sized vesicles of phospholipid bilayers comprised of single or multiple lipid bilayers.
The fatty acids in the phospholipid bilayers of brain neurons are different from other cells in the body, mainly because of the high concentration of docosahexaenoic acid (DHA) and arachidonic acid (ARA).
Ultrasome particles have a lipid assembly comprising a hydrophobic core as in emulsion but surrounded by phospholipid bilayers.