Illustration of a leech (Hirudo medicinalis officinalis). Leeches are bloodsucking worms with a flattened body which inhabit fresh water and in tropical countries infest damp forests. They are harmful to people and animals to whom they attach by means of a strong mouth adapted to sucking. The saliva of leeches contains an anti-clotting substance,called hirudin,which is injected into the wound before sucking blood | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Schroeder, Monica |
Bildgröße: | 2550 px × 3300 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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