![](http://www.alamy.com/thumbs/6/4936033E-27E1-475F-A3C7-AF43F3EBD03C/HNNDW3.jpg)
two medical leeches Hirudo medicinalis on a white plate
Size: 4609px × 3073px
Photo credit: © Olga Ovchinnikova / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: alternative, animal, annelid, biology, bloodsucking, caucasian, health, hermaphrodite, hirudo, hirudotherapy, invertebrate, leech, medical, medicinal, medicinalis, medicine, parasite, parasitic, science, skin, spa, sucker, tentacle, therapy, treatment, wet, worm