| MAD | Major Antigenic Determinant |
|---|---|
| MDM | Minor Determinant Mixture |
| AD | accident dispensary; acetate dialysis; active disease; acute dermatomyositis; addict, addiction; ade... |
| HBsAg/adr | hepatitis B surface antigen manifesting group-specific determinant a and subtype-specific determinan... |
| LAD | lactic acid dehydrogenase; left anterior descending [artery]; left axis deviation; leukocyte adhesio... |
| CRD | Cross Reacting Determinant |
|---|---|
| DDIA | double determinant immunoassay |
| MDM | minor determinant mixture |
| PND | principal Neutralizing Determinant |
| mathematical determinant | A formal algebraic operation on the terms of a square matrix of quantities, fundamental in solving multiple simultaneous equations and widely used in regression analysis, notably in epidemiology and quantitative genetics. If determinant is zero, the equations have no unambiguous solution. (05 Mar 2000) |
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| mathematical | Of or pertaining to mathematics; according to mathematics; hence, theoretically precise; accurate; as, mathematical geography; mathematical instruments; mathematical exactness. Mathematically. See: Mathematic. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| mathematical chaos | A dynamic system so sensitive to its precise current state (which in practice will never be known exactly) that its behaviour, though deterministic, is indistinguishable from random. (05 Mar 2000) |
| mathematical computing | Computer-assisted interpretation and analysis of various mathematical functions related to a particular problem. (12 Dec 1998) |
| mathematical genetics | The study of genetic traits by formal analysis, e.g., quantitative genetics, population dynamics, genetic epidemiology, modeling. (05 Mar 2000) |
| mathematical model | <epidemiology> A formal framework to convey ideas about the components of a host-parasite interaction. Construction requires three major types of information: (a) a clear understanding of the interaction within the individual host between the infectious agent and the host, (b) the mode and rate of transmission between individuals, and (c) host population characteristics such as demography and behaviour. Mathematical models can aid exploration of the behaviour of the system under various conditions from which to determine the dominant factors generating observed patterns and phenomena. They also aid data collection and interpretation and parameter estimation, and provide tools for identifying possible approaches to control and for assessing the potential impact of different intervention measures. (05 Dec 1998) |
| antigenic determinant | That part of an antigenic molecule against which a particular immune response is directed. For instance a tetra to penta peptide sequence in a protein, a tri to penta glycoside sequence in a polysaccharide. In the animal most antigens will present several or even many antigenic determinants simultaneously. See: hapten. (18 Nov 1997) |
| genetic determinant | Any antigenic determinant or identifying characteristic, particularly those of allotypes. Synonym: genetic marker. (05 Mar 2000) |
| determinant | 1. That which serves to determine; that which causes determination. 2. <mathematics> The sum of a series of products of several numbers, these products being formed according to certain specified laws; thus, the determinant of the nine numbers. Is a b' c'' a b'' c' + a' b'' c] a' b c'' + a'' b' c. The determinant is written by placing the numbers from which it is formed in a square between two vertical lines. The theory of determinants forms a very important branch of modern mathematics. 3. <logic> A mark or attribute, attached to the subject or predicate, narrowing the extent of both, but rendering them more definite and precise. Source: Websters Dictionary (01 Mar 1998) |
| determinant group | That part of an antigenic molecule against which a particular immune response is directed. For instance a tetra to penta peptide sequence in a protein, a tri to penta glycoside sequence in a polysaccharide. In the animal most antigens will present several or even many antigenic determinants simultaneously. See: hapten. (18 Nov 1997) |
| idiotypic antigenic determinant | The antigenic specificites defined by the unique sequences (idiotopes) of the antigen combining site. Thus anti-idiotype antibodies combine with those specific sequences, may block immunological reactions and may resemble the epitope to which the first antibody reacts. (18 Nov 1997) |
| isoallotypic determinant | <genetics> Genetic determinant's that are both isotypic and allotypic in that they appear in all members of at least one subclass of immunoglobulin but only in some members of another subclass of the same species. (05 Mar 2000) |
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