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 meiosis.

* * *

reduction division n the usu. first division of meiosis in which chromosome reduction occurs also MEIOSIS

* * *

the first division of meiosis, in which the chromosome number is halved. The term is sometimes used as a synonym for the whole of meiosis.

* * *

reductional division meiosis I, so called because at this stage the chromosome number per cell is reduced from diploid to haploid.

Medical dictionary. 2011.

Look at other dictionaries:

  • reduction division — reduction division. См. деление созревания. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • reduction division — reduction division. = meiosis (см.). (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • reduction division — n. MEIOSIS (sense 1) …   English World 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 — noun Date: 1891 the usually first division of meiosis in which chromosome reduction occurs; also meiosis 2 …   New Collegiate Dictionary

  • reduction division — noun a) the first of the two divisions of meiosis, a type of cell division. b) meiosis as a whole, a type of cell division …   Wiktionary

  • 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

  • reduction division — reduc′tion divi sion n. cbl meiosis, esp. the first division in which the chromosome number is reduced • Etymology: 1890–95 …   From formal English to slang

  • reduction division — The first division of meiosis in which the chromosome number is reduced from the somatic to the gametic number …   Glossary of Biotechnology

  • reduction division — meiosis …   The new mediacal dictionary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”