- reduction of chromosomes
- the passing of the members of a chromosome pair to the daughter cells during meiosis, each daughter cell receiving half the diploid number.
Medical dictionary. 2011.
reduction of chromosomes
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réduction — [ redyksjɔ̃ ] n. f. • fin XIIIe « rapprochement »; lat. reductio, de reducere → réduire I ♦ (XIVe) Opération qui consiste à remettre en place (un os luxé, fracturé; un organe déplacé). Réduction d une articulation luxée. Par ext. Réduction d une… … Encyclopédie Universelle
Reduction division — The first cell division in meiosis, the process by which germ cells are formed. A unique event in which the chromosome number is reduced from diploid (46 chromosomes) to haploid (23 chromosomes). Also called first meiotic division or first… … Medical dictionary
reduction — 1. The restoration, by surgical or manipulative procedures, of a part to its normal anatomic relation. SYN: repositioning (2). 2. In chemistry, a reaction involving a gain of one or more electrons by a substance, such as when iron … Medical dictionary
reduction division — noun (genetics) cell division that produces reproductive cells in sexually reproducing organisms; the nucleus divides into four nuclei each containing half the chromosome number (leading to gametes in animals and spores in plants) • Syn: ↑meiosis … Useful english dictionary
reduction division — Biol. 1. the first division of meiosis in which the number of chromosomes is reduced to half the original number. 2. meiosis. [1890 95] * * * … Universalium
DÉVELOPPEMENT HUMAIN — Le verbe latin volvere (dans sa forme active faire rouler, faire avancer; dans sa forme neutre, tourner) a engendré voloper en vieux français. Dès le XIIe siècle, on oppose déjà envelopper (enrouler) et développer (dérouler). Au XVe siècle le… … Encyclopédie Universelle
development — developmental, developmentary, adj. developmentally, adv. /di vel euhp meuhnt/, n. 1. the act or process of developing; growth; progress: child development; economic development. 2. a significant consequence or event: recent developments in the… … Universalium
globule — [ glɔbyl ] n. m. • XVIIe; lat. globulus, dimin. de globus → globe 1 ♦ Vx Corpuscule sphérique ou sphéroïdal. ⇒ boulette; 2. bulle, grain. 2 ♦ (1742) Mod. Élément de forme sphérique qui se trouve en suspension dans certains liquides organiques.… … Encyclopédie Universelle
Edouard Van Beneden — Édouard van Beneden Pour les articles homonymes, voir Van Beneden. Édouard van Beneden Édouard Joseph Louis Marie van Beneden, né à Louvain le 5 mars 1846 et mort à … Wikipédia en Français
Edouard van Beneden — Édouard van Beneden Pour les articles homonymes, voir Van Beneden. Édouard van Beneden Édouard Joseph Louis Marie van Beneden, né à Louvain le 5 mars 1846 et mort à … Wikipédia en Français
