noun
- plural of proventriculus; the glandular first chambers of a bird’s stomach that secrete digestive enzymes
Usage: anatomy; zoology
Examples
- The proventriculi of raptors are highly developed for protein digestion.
- Veterinarians examined the proventriculi during the bird autopsy.
- The proventriculi secrete pepsinogen and hydrochloric acid.
- Inflammation of the proventriculi can affect a bird’s ability to digest food.
- The proventriculi connect to the muscular gizzards in the digestive system.