noun
- the third compartment of the stomach of a ruminant animal, located between the reticulum and abomasum
Usage: anatomy; veterinary
Examples
- The omasa filters food particles before they pass to the final stomach chamber.
- Veterinary students learn to identify the omasa during ruminant anatomy lessons.
- The omasa has many folds that help absorb water and nutrients.
- Cattle, sheep, and goats all have omasa as part of their digestive system.
- The surgeon carefully examined the omasa during the cow’s operation.