Pollen grain. Coloured scanning electron micrograph (SEM) of a grain of pollen from a geranium (Pelargonium sp.). Pollen grains contain the male reproductive cells of a plant. The sculpted outer wall (exine) helps the pollen adhere to the bodies of pollinating insects | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Gschmeissner, Steve |
Taille de l’image : | 2750 px × 2316 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |