Give a comparative account of digestive system in vertebrates
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Vertebrate stomachs: Cyclostomes - weakly developed; similar to esophagus. Fish, amphibians, & reptiles - increasing specialization (more differentiated from the esophagus) Birds - proventriculus (glandular stomach) and ventriculus (muscular stomach, or gizzard)
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Comparative Vertebrate Anatomy - Lecture Notes 7. Digestive tract - 'tube' from mouth to vent or anus that functions in: Major subdivisions include the oral cavity, pharynx, esophagus, stomach, small & large intestines, and cloaca. Accessory organs include the tongue, teeth, oral glands, pancreas, liver, & gall bladder ...
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