Light micrograph transverse section through the body of a European medicinal leech (Hirudo medicinalis) showing the internal structure. Medicinal leeches have been found to secrete saliva containing a range of different proteins, with many serving as anticoagulants. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Downer, Nigel |
Bildgröße: | 4982 px × 3508 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |