Left, Raw's grooved catheter; right, bladder of a male. Engraving with etching.
- Reference:
- 47700i
Licence: Public Domain Mark
Credit: Left, Raw's grooved catheter; right, bladder of a male. Engraving with etching. Wellcome Collection. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/V0016324/full/800%2C/0/default.jpg)