The Avian Alimentary Tract - Anatomy & Physiology - Flashcards
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Avian Alimentary System Flashcards
Question | Answer | Article |
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True or False: The avian tongue has a bone in it? |
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In which direction are the horny papillae of the tongue facing? |
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Are taste buds present on the avian tongue? |
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Which substances are present in avian saliva? |
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How does a bird breathe when its beak is closed? | Air passes from the trachea into the oral cavity, then through the choanal opening in the roof of the hard palate, into the infundibulum then into the nasal pharynx before exiting through the nares | Link to Answer Article |
What is the function of the crop? |
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Which nerve innervates the crop? |
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Pigeons slough their epithelial cells of the crop to produce which substance? |
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What structure connects the proventriculus to the gizzard? |
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What is the function of the proventriculus? |
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What type of epithelium lines the proventriculus? |
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True or False: Parietal cells are present in the proventriculus? |
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How many layers of lamina muscularis are present in the proventriculus and in the gizzard? |
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What is the function of the gizzard? |
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Why does the gizzard appear yellow in colour? |
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What type of epithelium is present in the gizzard? |
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Which species do not have a gizzard? |
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What organ is present in between the duodenal loops? |
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Where do the pancreatic and bile ducts enter the duodenum? |
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What is the Vitelline Diverticula? |
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How many caeca are present in avians? |
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What type of epithelium and glands lines the caeca? |
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Which avian species does not have caeca? |
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What colour is the avian liver? |
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How many lobes does the avian liver have? |
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Which species do not have a gall bladder? |
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What part of the cloaca does the alimentary system terminate in? |
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How do galliformes release extra ammonia for protein synthesis? | Turkeys and chickens can move urates from the urinary tract to the colon and then into the caeca recycling ammonia for protein synthesis | Link to Answer Article |