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*The muscosa of the large intestine is smooth; there are '''no villi'''.
 
*The muscosa of the large intestine is smooth; there are '''no villi'''.
 
*There are numerous scattered lymph nodules.
 
*There are numerous scattered lymph nodules.
*Taenia may be present.
+
*'''Taenia''' may be present.
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**These are concentrations of the longitudinal muscle layer into long bands.
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**When the taenia contract, they cause shortening of the large intestine, which produces saccualtions, or '''haustra'''.
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*Many glands are present in the mucosa and skin of the anal region.
    
==Species Differences==
 
==Species Differences==
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