Cold storage. A gloved hand holding sample tubes just removed from cold storage in liquid nitrogen. Living cells,such as human sperm and eggs,can be preserved indefinitely in liquid nitrogen and brought back to life when they are thawed | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Tompkinson, Geoff |
Taille de l’image : | 4512 px × 3009 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |