Light micrograph cross section through the body of a common earthworm (Lumbricus terrestris) showing the internal structure through the clitellum. The clitellum is a thickened glandular and non-segmented section of the body wall near the head. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Downer, Nigel |
Bildgröße: | 4841 px × 3609 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |