Colon - Anatomy & Physiology - Flashcards
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| Question | Answer | Article | |
| What are the three parts of the colon? | Ascending, transverse and descending
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| On which side of the cranial mesenteric artery does the ascending colon pass? | Right in a caudal to cranial direction
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| On which side of the abdomen does the descending colon lie? | Left, then passes more medially before entering the pelvic cavity
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| Name the process that produces VFAs? | Microbial fermentation
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| Which layer of the intestinal wall is incomplete? | Lamina muscularis
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| Name the three parts of the ruminant ascending colon. | Ansa proximalis; ansa spiralis; and ansa distalsis
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| What is the shape of the ansa spiralis in small ruminants? | Cone
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| In ruminants, what does the descending colon do before entering the pelvic cavity? | It has a sigmoid flexure
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| How do the ox and horse differ in their development of the ascending colon? | Ox - developing ascending colon expands caudally around the root of the mesentry. Horse - developing ascending colon expands cranially around the root of the mesentry.
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| What shape does the pig's ascending colon have? | A cone with clockwise centripetal turns and anti - clockwise centrifugal turns
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| How many taenia does the pig's ascending colon have? | Centripetal turns have two, centrifugal turns have none
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