microspore
21microspore — /ˈmaɪkroʊspɔ/ (say muykrohspaw) noun 1. the smaller of two kinds of spores produced by some heterosporous pteridophytes. 2. a pollen grain …
22microspore — The immature male gametophyte in seed plants; the haploid male cell that ripens into a pollen grain …
23microspore — n. the smaller of the two kinds of spore produced by some ferns …
24microspore mother cell — a type of diploid cell that develops in the microsporangium of plants, has a large nucleus, and divides by meiosis to produce four haploid microspores …
25microspore mother cell — That cell in a microsporangium that produces microspores by meiosis …
26Microsporocyte — Microspore Une microspore est cellule haploïde issue de la méiose qui donne un gamétophyte mâle. Chez les végétaux, quatre microspores haploïdes (n) sont issues de la méiose d une cellule mère diploïde (2n), le microsporocyte. Cette division… …
27микроспора — microspore микроспора. Oбычно гаплоидная мелкая клетка гетероспоровых высших растений, образующаяся в результате мейоза из микроспороцита и дающая начало мужскому гаметофиту (заростку <prothallium>, несущему антеридии) у папоротников и… …
28prepollen — Microspore with a proximal aperture but without a distal aperture; cycad pollen is considered an intermediate form between prepollen and ‘conventional’ pollen …
29Microgametogenesis — is the process in plant reproduction where a microgametophyte develops in a pollen grain to the three celled stage of its development. In flowering plants it occurs with a microspore mother cell inside the anther of the plant. When the… …
30Triticale — Taxobox name = Triticale image width = 240px image caption = Triticale regnum = Plantae divisio = Magnoliophyta classis = Liliopsida ordo = Poales familia = Poaceae tribus = Triticeae genus = × Triticosecale species = binomial = × Triticosecale… …
