| Fluorescent light micrograph of the fertile part of a Cretan brake fern ( Pteris cretica) leaf bearing the sporangia (dark purple), hidden by a convolute lamina margin. The spores are released from the sporangium after deformation of the annulus cells (yellow). Magnification: x160 when printed 10cm x 10cm. | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Turzanska, Magda |
| Taille de l’image : | 4072 px × 3066 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |