зрна полена

зрна полена

The containers for male gametophytes of seed plants produced in a microsporangium by meiosis. Microspores produced by seed plants that contain the male gametophyte.

0 0

Patobulinti

Pridėti vaizdą

Kalbos dalis: noun
Sinonimai:
Blossary:
Pramonės šaka / sritis: Biology
Category: Cell biology
Company:
Produktas / gaminys:
Akronimas / santrumpa:

Pridėti prie mano aiškinamojo žodyno

Kitos kalbos:

Susiję terminai

mezoderm

Biology; Cell biology

The middle layer of cells in embryonic development; gives rise to muscles, bones, and structures associated with reproduction. The middle embryonic tissue layer. Cells and ...

melanin

Biology; Cell biology

A pigment that gives the skin color and protects the underlying layers against damage by ultraviolet light; produced by melanocytes in the inner layer of the epidermis.

mejoza

Biology; Cell biology

Cell division in which the chromosomes replicate, followed by two nuclear divisions. Each of the resulting gametes (in animals, spores in plants) receives a haploid set of ...

megaspore

Biology; Cell biology

Four haploid cells produced by meiosis in the ovule of a þower. Usually, three of these cells degenerate, with the remaining cell becoming the female gametophyte phase of the ...

moždina

Biology; Cell biology

1. A term referring to the central portion of certain organs; e. G. , the medulla oblongata of the brain and the adrenal medulla, which synthesizes epinephrine and norepinephrine. ...

makroevolucija

Biology; Cell biology

The combination of events associated with the origin, diversification, extinction, and interactions of organisms which produced the species that currently inhabit the Earth. Large ...

Terms in the News

Featured Terms

Marijana Dojčinović

0
Terms
0
Aiškinamieji žodynai
17
Followers

Pramonės šaka / sritis: Holiday Category: Festivals

Kineska Nova Godina

Najznačajniji među Kineskim tradicionalnim praznicima, Kineska Nova Godina predstavlja zvaničan početak proleća, početak prvog dana prvog lunarnog ...