Reticulum
Rumen
Omasum
Abomasum
https://en.wikipedia.org/wiki/Reticulum_%28anatomy%29#/media/File:Reticulum-honeycomb2.jpg
https://swandairy.com/one-stomach-four-chambers/
https://www.stockfood.com/images/00286106-Cow-s-stomach-omasum
https://www.vetlexicon.com/bovis/reproduction/articles/vaginal-injury-repair/
