Changes

==Species Differences==

==Species Differences==

'''Rodents'''

===Rodents===

*'Cheek pouches' are diverticula found in rodents (and monkeys) allowing food storage. The pouches can be extensive extending into the thorax with their own musculature.

*'Cheek pouches' are diverticula found in rodents (and monkeys) allowing food storage. The pouches can be extensive extending into the thorax with their own musculature.

'''Ruminants'''

===Ruminants===

*Papillae are present on the medial surface of the cheeks in ruminants. These large, pointed and densely spaced projections of keratin provide protection to the underlying epithelium due to the rough diet.

*Papillae are present on the medial surface of the cheeks in ruminants. These large, pointed and densely spaced projections of keratin provide protection to the underlying epithelium due to the rough diet.