Pancreas - apparaus used in de Graaf's experiments.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Pancreas - apparaus used in de Graaf's experiments. Wellcome Collection. Source: Wellcome Collection.
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Pancreas - apparaus used in de Graaf's experiments. Wellcome Collection. Source: Wellcome Collection.