Proventriculus

/pɹˌuːvəntɹˈɪkjʊləs/

Proventriculus

a glandular organ found in the digestive system of birds that functions in the initial breakdown of food before it enters the stomach

Examples

1. While an exact version of the proventriculus and its denticles doesn't exit on a large scale, the woodchipper provides an oddly captivating insight to what would happen if I had actually been eaten by a three metre tall insect.