- compound membrane
- a membrane consisting of two distinct layers, such as the tympanic membrane.
Medical dictionary. 2011.
Medical dictionary. 2011.
Membrane transport — In cellular biology the term membrane transport refers to the collection of mechanisms that regulate the passage of solutes such as ions and small molecules through biological membranes namely lipid bilayers that contain proteins embedded in them … Wikipedia
Membrane lipids — The major membrane lipids PtdCho Phosphatidylcholine; PtdEtn Phosphatidylethanolamine; PtdIns Phosphatidylinositol; PtdSer Phosphatidylserine. The three major classes of membrane lipids are phospholipids, glycolipids, and cholesterol … Wikipedia
Cell membrane — Illustration of a Eukaryotic cell membrane The cell membrane or plasma membrane is a biological mem … Wikipedia
organosulfur compound — ▪ chemical compound Introduction also spelled organosulphur compound , also called organic sulfur compound a subclass of organic substances that contain sulfur and that are known for their varied occurrence and unusual properties. They are… … Universalium
Aroma compound — Fragrance redirects here. For other uses, see Fragrance (disambiguation). Odorants redirects here. For the punk rock band, see The Odorants. Not to be confused with Aromaticity. An aroma compound, also known as odorant, aroma, fragrance or flavor … Wikipedia
surface-active compound — Usually, in biological systems, means a detergent like molecule that is amphipathic and that will bind to the plasma membrane, or to a surface with which cells come in contact, altering its properties from hydrophobic to hydrophilic, or vice… … Dictionary of molecular biology
allantochorion — Extraembryonic membrane formed by the fusion of the allantois and chorion. * * * al·lan·to·cho·ri·on ə .lan (.)tō kōr ē .än, kȯr n an embryonic membrane consisting of a fused allantois and chorion * * * al·lan·to·cho·ri·on (ə lan″to… … Medical dictionary
metabolism — /meuh tab euh liz euhm/, n. 1. Biol., Physiol. the sum of the physical and chemical processes in an organism by which its material substance is produced, maintained, and destroyed, and by which energy is made available. Cf. anabolism, catabolism … Universalium
Life Sciences — ▪ 2009 Introduction Zoology In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… … Universalium
cell — cell1 cell like, adj. /sel/, n. 1. a small room, as in a convent or prison. 2. any of various small compartments or bounded areas forming part of a whole. 3. a small group acting as a unit within a larger organization: a local cell of the… … Universalium