Англо-русский толковый словарь генетических терминов. — М.: Изд-во ВНИРО. Арефьев В.А., Лисовенко Л.А., науч. ред. Л.И.Патрушев. 1995.
pollen — Microspores of seed plants carried by wind or insects prior to fertilization; important in the etiology of hay fever and other allergies. [L. fine dust, fine flour] * * * pol·len päl ən n a mass of male spores in a seed plant appearing usu. as a… … Medical dictionary
reproductive system, plant — Introduction any of the systems, sexual or asexual, by which plants reproduce. In plants, as in animals, the end result of reproduction is the continuation of a given species, and the ability to reproduce is, therefore, rather conservative … Universalium
Alternation of generations — (also known as alternation of phases or metagenesis) is a term primarily used in describing the life cycle of plants (taken here to mean the Archaeplastida). A multicellular sporophyte, which is diploid with 2N paired chromosomes (i.e. N pairs),… … Wikipedia
Sporogenesis — is the production of spores in biology. The term is also used to refer to the process of reproduction via spores. Reproductive spores are formed in many eukaryotic organisms, such as plants, algae and fungi, during their normal reproductive life… … Wikipedia
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 cellulaire a… … Wikipédia en Français
Microsporocyte — 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… … Wikipédia en Français
Pollen — Tip of a tulip stamen with many grains of pollen Closeup image of a cac … Wikipedia
Microspore — In biology, a microspore is a small spore as contrasted to the larger megaspore. In botany, microspores develop into male gametophytes, whereas megaspores develop into female gametophytes. The combination of megaspores and microspores is found… … Wikipedia
fern — fernless, adj. fernlike, adj. /ferrn/, n. any seedless, nonflowering vascular plant of the class Filicinae, of tropical to temperate regions, characterized by true roots produced from a rhizome, triangular fronds that uncoil upward and have a… … Universalium
Fern — /ferrn/, n. a female given name. * * * Any of about 10,000–12,000 species (division Filicophyta) of nonflowering vascular plants that have true roots, stems, and complex leaves and reproduce by spores. Though ferns were once classified with the… … Universalium
plant — plantable, adj. plantless, adj. plantlike, adj. /plant, plahnt/, n. 1. any member of the kingdom Plantae, comprising multicellular organisms that typically produce their own food from inorganic matter by the process of photosynthesis and that… … Universalium
