Light micrograph cross section through a section of skin of a frog showing the circular secretory glands. The function of these is to secrete mucus and water onto the frog's skin. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Downer, Nigel |
Bildgröße: | 5659 px × 3087 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |