[[Image:opendogcaecum.jpg|thumb|right|150px|Dog caecum, ileum and colon - Copywright RVC 2008]]
[[Image:opendogcaecum.jpg|thumb|right|150px|Dog caecum, ileum and colon - Copywright RVC 2008]]
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The caecum is a blind ending diverticulum of the large intestine and exists at the junction of the ileum and the ascending colon. It's size and physiological importance vary between species. It is a site of microbial fermentation, absorption and transportation.
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The caecum is a blind ending diverticulum of the large intestine and it exists at the junction of the ileum and the ascending colon. It's size and physiological importance vary between species. It is a site of microbial fermentation, absorption and transportation.