Proventriculus
The proventriculus is part of the digestive system of birds. An analogous organ exists in insects and many other invertebrates.
The proventriculus is part of the digestive system of birds. An analogous organ exists in insects and many other invertebrates.
The proventriculus is part of the digestive system of birds. An analogous organ exists in insects and many other invertebrates.
Source: Wikipedia "Proventriculus" · CC BY-SA 4.0
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