Leech farm. Researcher selects medicinal leeches,Hirudo medicinalis,from a tank of water at a leech farm. These blood-sucking leeches can be attached to patients to remove accumulated blood (a haematoma). Chemicals can also be extracted from the leeches' saliva to make drugs. Leeches need to be kept in cool,fresh water | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Tompkinson, Geoff |
Taille de l’image : | 5225 px × 3658 px |
Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
Property Release : | Non requis |
Restrictions : | - |