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The proventriculus is part of the digestive system of birds, invertebrates and insects.[1]


The proventriculus is a standard part of avian anatomy. It is generally a glandular part of the stomach that may store and/or commence digestion of food before it progresses to the gizzard.[2]

The Encarta (2007) holds that the proventriculus is:

The first part of a bird's stomach, where digestive enzymes are mixed with food before it goes to the gizzard. It is analogous to the gizzard in insects and crustaceans.[1]

Dr. Thomas Caceci (undated) discusses the proventriculus of the avian stomach and opines that:

The proventriculus is the glandular portion of the avian compound stomach, and a rather peculiar organ it is. There's nothing like it in mammals.[3]

Culinary Use[edit]

Chicken proventriculus is eaten as street food in the Philippines. This dish is called proben.

See also[edit]


  1. ^ a b Encarta World English Dictionary [North American Edition] (2007). Proventriculus. Source: [1] (accessed: December 18, 2007)
  2. ^ Source: [2] (accessed: December 18, 2007)
  3. ^ Caceci, Thomas (undated). Proventriculus. Source: [3] (accessed: December 18, 2007)