Coloured variable pressure scanning electron micrograph (SEM) of a pollen grains. Pollen grains are the males gametes (sex cells) of plants. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / KARL GAFF |
Taille de l’image : | 2652 px × 1987 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |