Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Irish (Galvayne's) twitch - the horse's lip is. Royal Veterinary College. Source: Wellcome Collection.
![no text alternative](https://iiif.wellcomecollection.org/image/A0000644/full/800%2C/0/default.jpg)
Licence: Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)
Credit: Irish (Galvayne's) twitch - the horse's lip is. Royal Veterinary College. Source: Wellcome Collection.