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Gizzard vs. Proventriculus — What's the Difference?

Gizzard vs. Proventriculus — What's the Difference?

Difference Between Gizzard and Proventriculus

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Gizzard

The gizzard, also referred to as the ventriculus, gastric mill, and gigerium, is an organ found in the digestive tract of some animals, including archosaurs (pterosaurs, crocodiles, alligators, dinosaurs, birds), earthworms, some gastropods, some fish, and some crustaceans. This specialized stomach constructed of thick muscular walls is used for grinding up food, often aided by particles of stone or grit.
May 09, 2022

Proventriculus

The proventriculus is part of the digestive system of birds. An analogous organ exists in invertebrates and insects.
May 09, 2022

Gizzard

A modified muscular pouch behind the stomach in the digestive tract of birds, having a thick lining and often containing ingested grit that aids in the breakdown of seeds and other hard materials by grinding them down before digestion.
May 09, 2022

Proventriculus

The division of the stomach in birds that secretes digestive enzymes and passes food from the crop to the gizzard.
May 09, 2022

Gizzard

A similar digestive organ found in certain invertebrates, such as the earthworm.
May 09, 2022
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Proventriculus

A similar digestive chamber in certain insects and worms.
May 09, 2022

Gizzard

A specialized organ constructed of thick muscular walls found in the digestive tract of some animals, including archosaurs (including crocodilians and birds), earthworms, some gastropods, some fish, and some crustaceans used for grinding up food, often aided by particles of stone or grit.
May 09, 2022

Proventriculus

(zoology) The part of the avian stomach, between the crop and the gizzard, that secretes digestive enzymes.
May 09, 2022

Gizzard

The second, or true, muscular stomach of birds, in which the food is crushed and ground, after being softened in the glandular stomach (crop), or lower part of the esophagus; the gigerium.
May 09, 2022

Proventriculus

(zoology) A similar part of the digestive system in insects and myriapods.
May 09, 2022

Gizzard

A thick muscular stomach found in many invertebrate animals.
May 09, 2022

Gizzard

Thick-walled muscular pouch below the crop in many birds and reptiles for grinding food
May 09, 2022

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