| Gm | an allotype marker on the heavy chains of immunoglobins |
|---|---|
| mar | margin; marker [chromosome] |
| mar(X) | marker X [chromosome] |
| MOMX | macroorchidism-marker X chromosome [syndrome] |
| OMP | olfactory marker protein; ornithine monophosphate; outer membrane protein |
| HP1 | Heterochromatin Protein 1 |
|---|---|
| i | Individual |
| IPA | Individual Practice Association |
| IAT | individual anaerobic threshold |
| MAS | Marker Assisted Selection |
lichenoid reaction (ÆíÆò ż±¾ç ¹ÝÀÀ, ż±¾ç ¹ÝÀÀ, À¯Å¼± ¾à¹° ¹ÝÀÀ
| individual | Marked by a distinctness and a complexity within a unity that characterises organised things, concepts, organic beings and persons. (18 Nov 1997) |
|---|---|
| individual differences | In clinical psychology, deviations of individuals from the group average or from each other. (05 Mar 2000) |
| individual psychology | A theory of human behaviour emphasizing humans' social nature, strivings for mastery, and drive to overcome, by compensation, feelings of inferiority. Synonym: adlerian psychoanalysis, adlerian psychology. (05 Mar 2000) |
| individual therapy | A psychotherapeutic session involving only two persons, the therapist and the patient. Compare: group psychotherapy. Synonym: individual therapy. (05 Mar 2000) |
| individual tolerance | Tolerance to a drug that the person has never received before. (05 Mar 2000) |
| constitutive heterochromatin | <protein> Regions on chromosomes which are permanently condensed and genetically inactive in every cell in the body. The condensed portions are always in the same position on both homologous chromosomes. An example is the centromeres. Compare: facultative heterochromatin. (09 Oct 1997) |
| satellite-rich heterochromatin | Heterochromatin that codes for 18 S and 28 S components of ribosomal RNA and is located close to the centromeres of certain chromosomes. (05 Mar 2000) |
| heterochromatin | <cell biology, genetics> The chromosomal regions that are condensed during interphase and at the time of nuclear division. They show what is considered an abnormal pattern of staining as opposed to euchromatin. Can be subdivided into constitutive regions (present in all cells) and facultative heterochromatin (present in some cells only). The inactive X chromosome of female mammals is an example of facultative heterochromatin. (18 Nov 1997) |
| heterochromatin, constituitive | Heterochromatin that is fixed and irreversible. Regions of constituitive heterochromatin are located at very specific spots in the genome (on chromosomes 1, 9, 16 and the y chromosome, the tiny short arms of chromosomes 13-15 and 21 and 22, and near the centromeres of chromosomes) and consists of DNA that contains many tandem (not inverted) repeats of a short basic repeating unit (known as satellite DNA). (12 Dec 1998) |
| heterochromatin, facultative | Heterochromatin that need not always be heterochromatic but has the faculty to return to the normal euchromatic state. The inactive x chromosome is made up of facultatative heterochromatin. When a woman transmits that x to a son, it reverts to euchromatin and genetic activity. (12 Dec 1998) |
| facultative heterochromatin | <cell biology> The heterochromatin which is condensed in some cells and not in others, presumably representing stable differences in the activity of genes in different cells. The best known example results from the random inactivation of one of the pair of X chromosomes in the cells of female mammals, (Lyonisation). (18 Nov 1997) |
| allotypic marker | Synonym: allotype. (05 Mar 2000) |
| genetic marker | A gene which has an easily identifiable phenotype so that one can tell apart cells or individuals which have the gene and those which do not have it. Such a gene can also be used as a probe to mark cell nuclei or chromosomes so that they can easily be isolated or identified from other nuclei or chromosomes later. (09 Oct 1997) |
| marker | An identifiable physical location on a chromosome (for example, restriction enzyme cuttingsite, gene) whose inheritance can bemonitored. Markers can beexpressed regions of DNA (genes) or some segment of DNA with no knowncoding function but whose pattern of inheritance can be determined. See: restriction fragment length polymorphism. (09 Oct 1997) |
| marker chromosome | An abnormal chromosome that is distinctive in appearance but not fully identified. For example, the fragile x chromosome was once called the marker x. (12 Dec 1998) |
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