Sanakirja
Tekoälykääntäjä
Kuvat
2
| Kieli | Käännökset |
|---|---|
| ranska | tube pollinique |
Määritelmät
Substantiivi
- (botany) The tube that develops from the wall of a pollen grain and, in seed plants, provides a passage through which the male nuclei reach the embryo sac to effect fertilization.
Taivutusmuodot
| Monikko | pollen tubes |
Luokat
(botany) The tube that develops from the wall of a pollen grain and, in seed plants, provides a passage through which the male nuclei reach the embryo sac to effect fertilization.
SEM image of pollen tubes growing from lily pollen grains.
(botany) The tube that develops from the wall of a pollen grain and, in seed plants, provides a passage through which the male nuclei reach the embryo sac to effect fertilization.
Angiosperm life cycle.