- megagametogenesis
- макрогаметогенез* * *макрогаметогенез
English-russian biological dictionary. 2013.
megagametogenesis
Смотреть что такое "megagametogenesis" в других словарях:
Megagametogenesis — is the development of a megaspore into an embryo sac, which is the gametophyte though a highly reduced one stage in the life cycle of vascular plants. Contents 1 Eudicots 2 Monocots 3 See also 4 … Wikipedia
Megaspore — Plant ovules with megasporocytes before meiosis: Gymnosperm ovule on left, angiosperm ovule (inside ovary) on right Megaspores, also called macrospores, are a type of spore that is present in heterosporous plants. These types of plants have two… … Wikipedia
angiosperm — /an jee euh sperrm /, n. Bot. a plant having its seeds enclosed in an ovary; a flowering plant. Cf. gymnosperm. [ANGIO + SPERM] * * * ▪ plant Introduction any member of the more than 300,000 species of flowering plants (division Anthophyta) … Universalium
Flowering plant — Flowering plants Temporal range: Early Cretaceous Recent … Wikipedia
Megaspore mother cell — A megaspore mother cell is a diploid cell in which meiosis will occur, resulting in the production of four megaspores.[1] This megasporcyte is formed from two distinct processes – megasporogenesis and megagametogenesis.[2] Within each sporangium … Wikipedia
Apomixis — Saltar a navegación, búsqueda … Wikipedia Español
Flor — Para otros usos de este término, véase Flor (desambiguación). Partes de la flor … Wikipedia Español
Morfología floral — Partes de la flor … Wikipedia Español
Oósfera — La oósfera es el gameto femenino de las espermatofitas (angiospermas y gimnospermas). Se halla en el saco embrionario, dentro del óvulo y rodeada, típicamente, por dos células adyacentes llamadas sinérgidas. La oósfera procede de una espora,… … Wikipedia Español
Sincitio — Micrografía de músculo esquelético. En la periferia de cada célula cortada t … Wikipedia Español
