Light micrograph of a transverse section through the anther of a madonna lily,Lilium candidum,showing four pollen sacs filled with pollen grains (blue dots with red nuclei). Some of the pollen grains are undergoing meiosis (reduction division),the process whereby a normal diploid cell divides to form four haploid cells (gametes). Magnification: x30 at 6x4. 5cm size | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Michler, Astrid & Hans-Frieder |
Taille de l’image : | 3195 px × 2377 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |