| CAM | calf aortic microsome; cell adhesion molecule; cell-associating molecule; chorioallantoic membrane; ... |
|---|---|
| AMOG | adhesion molecule on glia |
| ELAM | endothelial leukocyte adhesion molecule |
| Fc' | a fragment of an immunoglobulin molecule produced by papain digestion |
| Fd | the amino-terminal portion of the heavy chain of an immunoglobulin molecule; ferredoxin |
| sVCAM-1 | adhesion molecule 1 , vascular cell adhesion molecule 1 |
|---|---|
| VCAM-1 | 1/vascular cell adhesion molecule-1 |
| I-CAM | Inter-Cellular-Adhesion-Molecule |
| ALCAM | Activated leukocyte cell adhesion molecule |
| AMOG | Adhesion molecule on glia |
| nonpolar | <chemistry> Describes a molecular that does not have a permanent electric dipole and consequently may be less soluble in water (for example lipids). See: nonpolar groups (12 Mar 1998) |
|---|---|
| nonpolar amino acid | An alpha-amino acid in which the functional group attached to the alpha-carbon (i.e., R in RCH(NH2)COOH) has hydrophobic properties; e.g., valine, leucine, alpha-aminobutyrate. (05 Mar 2000) |
| nonpolar compound | A compound composed of molecules that possess a symmetrical distribution of charge, so that no positive or negative poles exist, and that are not ionizable in solution; e.g., hydrocarbons. See: organic compound. (05 Mar 2000) |
| nonpolar group | <chemistry> Group in which the electronic charge density is essentially uniform and that cannot therefore interact with other groups by forming hydrogen bonds or by strong dipole dipole interactions. In an aqueous environment, nonpolar groups tend to cluster together, providing a major force for the folding of macromolecules and formation of membranes. Clusters are formed chiefly because they cause a smaller increase in water structure (decrease in entropy) than dispersed groups. Nonpolar groups interact with each other only by the relatively weak London van der Waals forces. (12 Mar 1998) |
| nonpolar solvents | Organic liquids notable for their ability to dissolve lipids; usually, but not always, immiscible in water; e.g., diethyl ether, carbon tetrachloride. Synonym: nonpolar solvents. (05 Mar 2000) |
| vascular cell adhesion molecule-1 | Cytokine-induced cell adhesion molecule present on activated endothelial cells, tissue macrophages, dendritic cells, bone marrow fibroblasts, myoblasts, and myotubes. It is important for the recruitment of leukocytes to sites of inflammation. (12 Dec 1998) |
| cell adhesion molecule | <molecular biology> Although this could mean any molecule involved in cellular adhesive phenomena, it has acquired a more restricted sense, namely a molecule on the surface of animal tissue cells, antibodies (or Fab fragments) against that specifically inhibit some form of intercellular adhesion. Examples are Liver Cell Adhesion Molecule and Neural Cell Adhesion Molecule, both named from tissues in which first detected, although their occurrence is not in fact restricted to these. Acronym: CAM (26 Nov 1998) |
| repellant guiding molecule | <cell biology> Specific molecules that inhibit the activity of growth cones and are thought to be important in establishing axon pathways during nervous system development. See: growth cone collapse. (18 Nov 1997) |
| gram-molecule | <unit> The amount of a substance with a mass in grams equal to its molecular weight; e.g., a gram-molecule of hydrogen weighs 2.016 g, that of water 18.015 g. (05 Mar 2000) |
| chimeric molecule | A molecule (usually a biopolymer) containing sequences derived from two different genes; specifically, from two different species. Compare: chimera. (05 Mar 2000) |
| molecule | <chemistry> The result of two or more atoms combining by chemical bonding. (09 Oct 1997) |
| hybrid molecule | <molecular biology> A double-stranded nucleic acid molecule which was artificially created from two different single-stranded nucleic acid molecules from different sources, for the purpose of comparing their nucleotide sequences. (09 Oct 1997) |
| hydrophilic signaling molecule | <molecular biology> A type of molecule which, because it is easily dissolved in water (it is hydrophilic), can easily move through cell membranes and thus can be secreted from one cell and move into a target cell where it triggers a particular event. Many hormones and growth factors are hydrophilic signaling molecules. (09 Oct 1997) |
| neural cell adhesion molecule | See: NCAM. (18 Nov 1997) |
| intercellular adhesion molecule | See: ICAM. (18 Nov 1997) |
| nonpolar molecule |
Molecule without a dipole moment. Has either all nonpolar bonds or symmetrical polar bonds such as CO 2 .
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