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The cheeks also create extensive food storage pouches in some species.
The cheeks also create extensive food storage pouches in some species.
==Functional Anatomy==
==Structure and Function==
*The cheeks are composed of muscles for [[mastication]]:
*The cheeks are composed of muscles for [[mastication]]:
*[[Parotid|Parotid duct]] ends in a small papillae opposite the upper fourth premolar (canid)
*[[Parotid|Parotid duct]] ends in a small papillae opposite the upper fourth premolar (canid)
==Histology==
==Histology==
*[[Zygomatic|Zygomatic]] salivary gland
*[[Zygomatic|Zygomatic]] salivary gland
==Innervation==
==Innervation==
*Facial nerve (CN VII)
*Facial nerve (CN VII)
==Species Differences==
==Species Differences==
*'Cheek pouches' are diverticula found in monkeys and rodents allowing food storage. The pouches can be extensive extending into the thorax with their own musculature.
'''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.
'''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.