autogamy

autogamy
A form of self-fertilization in which fission of the cell nucleus occurs without division of the cell, the two pronuclei so formed reuniting to form the synkaryon; in other cases, the cell body also divides, but the two daughter cells immediately conjugate. SYN: automixis. [auto- + G. gamos, marriage]

* * *

au·tog·a·my ȯ-'täg-ə-mē n, pl -mies SELF-FERTILIZATION esp conjugation of two sister cells or sister nuclei of protozoans or fungi
au·tog·a·mous -məs adj

* * *

au·tog·a·my (aw-togґə-me) [auto- + Gr. gamos marriage] a form of self-fertilization; fertilization within a cell by union of two gametic nuclei from the same micronucleus, as in certain ciliate protozoa and plants. Cf. endogamy (def. 1) and exogamy. autogamous adj

Medical dictionary. 2011.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • Autogamy — Au*tog a*my, n. [Auto + Gr. ? marriage.] (Bot.) Self fertilization, the fertilizing pollen being derived from the same blossom as the pistil acted upon. [1913 Webster] …   The Collaborative International Dictionary of English

  • autogamy — autogamy. См. самооплодотворение. (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.

  • autogamy — [ô täg′ə mē] n. [ AUTO + GAMY] 1. self fertilization, as in a flower receiving pollen from its own stamens 2. internal self fertilization in algae, fungi, protozoans, etc. by the fusion of gametes or nuclei within the same individual autogamous… …   English World dictionary

  • autogamy — autogamija statusas T sritis ekologija ir aplinkotyra apibrėžtis Organizmo lytinio dauginimosi būdas, kai susilieja vienoje ląstelėje mejozės būdu susidarę haploidiniai branduoliai. atitikmenys: angl. autogamy; selfing; self pollination vok.… …   Ekologijos terminų aiškinamasis žodynas

  • autogamy — apsivaisinimas statusas T sritis augalininkystė apibrėžtis Dviejų to paties individo lytinių ląstelių savaiminis (ne dirbtinis) susiliejimas. atitikmenys: angl. autogamy; self fertilization rus. оплодотворение …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • autogamy — savivaisa statusas T sritis augalininkystė apibrėžtis Augalų apsidulkinimas to paties žiedo žiedadulkėmis ir viename žiede susidariusių vyriškųjų ir moteriškųjų gametų susiliejimas. atitikmenys: angl. autogamy; self fertility rus. автогамия;… …   Žemės ūkio augalų selekcijos ir sėklininkystės terminų žodynas

  • autogamy — noun Etymology: International Scientific Vocabulary Date: 1877 self fertilization: as a. pollination of a flower by its own pollen b. conjugation of two sister cells or sister nuclei of protozoans or fungi • autogamous adjective …   New Collegiate Dictionary

  • autogamy — n. [Gr. autos, self; gamos, marriage] Self fertilization; the fusion of two nuclei originating from a single cell; see allogamy …   Dictionary of invertebrate zoology

  • autogamy — Self fertilisation, common in plants and also in some ciliate protozoa where gametic nuclei from a single micronucleus subsequently fuse to form the zygote nucleus …   Dictionary of molecular biology

  • autogamy — autogamous, autogamic /aw toh gam ik/, adj. /aw tog euh mee/, n. 1. Bot. pollination of the ovules of a flower by its own pollen; self fertilization (opposed to allogamy). 2. Biol. conjugation in an individual organism by division of its nucleus… …   Universalium

  • autogamy — noun self fertilization, the fertilizing pollen being derived from the same blossom as the pistil acted upon …   Wiktionary

Share the article and excerpts

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