This award-winning picture of the week shows a tick on a leg.
This photo of a tick on a leg was a gold winner in the 2010 Institute of Medical Illustrators awards and Winner of the Wellcome Images Award. It was taken by Melvin Bond of Lister Hospital, Stevenage.
This is the latest in our series of clinical pictures which will be published every week. Click here to see all the pictures.
Tick on leg