Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Embryonic kidney showing collecting ducts. Jonathan Bard & Linda Sharp. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/B0004129/full/800%2C/0/default.jpg)
Licence: Attribution 4.0 International (CC BY 4.0)
Credit: Embryonic kidney showing collecting ducts. Jonathan Bard & Linda Sharp. Source: Wellcome Collection.