Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Cocoon from medicinal leech Hirudo verbena. Macroscopic Solutions. Source: Wellcome Collection.
Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Cocoon from medicinal leech Hirudo verbena. Macroscopic Solutions. Source: Wellcome Collection.