Proventriculus - Anatomy & Physiology
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Introduction
The proventriculus is also referred to as the glandular stomach. It is connected by the isthmus to the gizzard.
Structure and Function
- A storage organ in fish and flesh eating birds
- Appropriate to a soft diet
- Secretes digestive enzymes
- Contacts the left lobe of the liver ventrally and laterally
- Related dorso-caudally to the spleen
- More cranial than the gizzard
- Lies to the left of the midline of the bird
- Spindle/fusiform shaped
- Roughly 4cm long
- Lumen diameter similar to the oesophagus
- No oesophageal sphincter