| G0 | quiescent phase of cells leaving the mitotic cycle |
|---|---|
| MA | malignant arrhythmia; management and administration; mandelic acid; masseter; Master of Arts; matern... |
| MC | mass casualties; mast cell; Master of Surgery [Lat. Magister Chirurgiae]; maximum concentration; Med... |
| MCP | maximum closure pressure; maximum contraction pattern; malanocortin receptor; melphalan, cyclophosph... |
| MF | magnetic field; meat free; medium frequency; megafarad; membrane filler; merthiolate-formaldehyde [s... |
| SD | Segregation Distorter |
|---|---|
| MI | Mitotic |
| MAI | Mitotic Activity Index |
| M.I. | Mitotic Index |
| MA | Mitotic activity |
| mitotic segregation | <genetics> Mitotic recombination. (18 Nov 1997) |
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| chromosome segregation | <cell biology> The orderly separation of one copy of each chromosome into each daughter cell at mitosis. (18 Nov 1997) |
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| segregation | 1. The act of segregating, or the state of being segregated; separation from others; a parting. 2. <geology> Separation from a mass, and gathering about centers or into cavities at hand through cohesive attraction or the crystallizing process. Origin: L. Segregatio: cf. F. Segregation. Source: Websters Dictionary (01 Mar 1998) |
| segregation analysis | In genetics, the enumeration of progeny according to distinct and mutually exclusive phenotypes; used as a test of a putative pattern of inheritance, e.g., mendelian, dominant autosomal, epistatic, age-dependent. (05 Mar 2000) |
| segregation of chromosomes | <cell biology, genetics> The separation of pairs of homologous chromosomes that occurs at meiosis so that only one chromosome from each pair is present in any single gamete. (18 Nov 1997) |
| segregation ratio | In genetics, the proportion of progeny of a particular genotype or phenotype from actual matings of specified genotypes. The test of a Mendelian hypothesis is the comparison of the segregation rate with the Mendelian rate. (05 Mar 2000) |
| law of segregation | Factors that affect development retain their individuality from generation to generation, do not become contaminated when mixed in a hybrid, and become sorted out from one another when the next generation of gametes is formed. Synonym: Mendel's first law. (05 Mar 2000) |
| mitotic | Pertaining to mitosis. (12 Dec 1998) |
| mitotic apparatus | See: mitosis, spindle fibre. (18 Nov 1997) |
| mitotic cell selection | A drug-free procedure for the selection of mitotic cells from an exponentially growing monolayer. (09 Oct 1997) |
| mitotic cycle | <cell biology, molecular biology> The sequence of events between mitotic divisions. The cycle is conventionally divided into G0, G1, (G standing for gap), S (synthesis phase during which the DNA is replicated), G2 and M (mitosis). Cells that will not divide again are considered to be in G0 and the transition from G0 to G1 is thought to commit the cell to completing the cycle and dividing. (26 Mar 1998) |
| mitotic death | <cell biology> Cells fatally damaged by ionising radiation may not die until the next mitosis, at which point the radiation damage to the DNA becomes evident, particularly when there is fragmentation of chromosomes. (18 Nov 1997) |
| mitotic division | <cell biology> A method of indirect division of a cell, consisting of a complex of various processes, by means of which the two daughter nuclei normally receive identical complements of the number of chromosomes characteristic of the somatic cells of the species. Mitosis, the process by which the body grows and replaces cells, is divided into four phases. 1. Prophase: formation of paired chromosomes, disappearance of nuclear membrane, appearance of the achromatic spindle, formation of polar bodies. 2. Metaphase: arrangement of chromosomes in the equatorial plane of the central spindle to form the monaster. Chromosomes separate into exactly similar halves. 3. Anaphase: the two groups of daughter chromosomes separate and move along the fibres of the central spindle, each toward one of the asters, forming the diaster. 4. Telophase: the daughter chromosomes resolve themselves into a reticulum and the daughter nuclei are formed, the cytoplasm divides, forming two complete daughter cells. NOTE: the term mitosis is used interchangeably with cell division, but strictly speaking it refers to nuclear division, whereas cytokinesis refers to division of the cytoplasm. In some cells, as in many fungi and the fertilized eggs of many insects, nuclear division occurs within the cell unaccompanied by division of the cytoplasm and formation of daughter cells. (13 Nov 1997) |
| mitotic figure | The microscopic appearance of a cell undergoing mitosis; a cell of which the chromosomes are visible by the light microscope. (05 Mar 2000) |
| mitotic index | <cell biology, molecular biology> The fraction of cells in a sample that are in mitosis. It is a measure of the relative length of the mitotic phase of the cell cycle. (18 Nov 1997) |
| mitotic nondisjunction | Failure of the two members of a chromosome pair to separate (disjoin) during mitosis so that both go to one daughter cell and none to the other. (12 Dec 1998) |
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