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GI of carnivores, ruminants, hind-gut fermenters - Coggle Diagram
GI of carnivores, ruminants, hind-gut fermenters
the digestive system
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gastrointestinal tract
small intestine
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within the mucosa - many villi and subsequent microvilli (ciliated brush border cells) that increases surface area
mesentery - network of connective tissue suspending the gastrointestinal system keeping it well organised and secure
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large intestine
components - species variation in structure, poorly developed in carnivores
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colon - some microbial digestion, absorption of water and electrolytes
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gut
oesophagus and stomach
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as stomach expands, fold of stomach against soph closes the lower end of esoph
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buccal cavity
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teeth
mastication - chewing, physically break down food into smaller pieces
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salivary glands
produce saliva, usually three pairs with ducts that carry the saliva to the oral cavity
- parotid salivary glands - ventral to the ear canals
- mandibular salivary glands - ventral to the parotid glands at the caudal angle of the mandible
- lingual salivary glands - medial to the shafts of the mandible just under the base of the tongue
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musculature
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visceral smooth muscle
wall of the majority of the oesophagus, stomach, small intestine, large intestine, internal anal sphincter
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ruminants
stomach
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rumen
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series of muscular sacs partially separated by long muscular folds of rumen wall called pillars - aid in mixing and stirring oof contents
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bloat
huge excessive bloating - some bloating can be normal on left side but this is pronounced and excessive, won't go away
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small intestine
enzymatic digestion of proteins, carbs, fat
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large intestine
absorption of water, electrolytes vitamins
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colon
bacterial activity, water absorption, waste storage
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accessory organs
liver
production of bile
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secreted into bile ducts, onto hepatic duct, to gallbladder for starage
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