Difference between revisions of "Cheeks"
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The cheeks (buccae) are important in the process of [[Mastication|mastication]] (and also drinking in herbivores). Minor [[Salivary Glands - Anatomy & Physiology|Salivary glands]] are located within the buccal musculature. The cheeks also create extensive food storage pouches in some species. | The cheeks (buccae) are important in the process of [[Mastication|mastication]] (and also drinking in herbivores). Minor [[Salivary Glands - Anatomy & Physiology|Salivary glands]] are located within the buccal musculature. The cheeks also create extensive food storage pouches in some species. | ||
| + | B | ||
==Structure and Function== | ==Structure and Function== | ||
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The main muscles of [[mastication]] are: | The main muscles of [[mastication]] are: | ||
| − | *The '''masseter''' muscle | + | **The '''masseter''' muscle |
*The '''lateral''' and '''medial''' pterygoids | *The '''lateral''' and '''medial''' pterygoids | ||
*The '''digastricus''' muscle | *The '''digastricus''' muscle | ||
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{{Learning | {{Learning | ||
|flashcards = [[Cheeks Anatomy & Physiology Flashcards]]<br>[[Facial_Muscles_-_Musculoskeletal_-_Flashcards|Facial Muscles Flashcards]] | |flashcards = [[Cheeks Anatomy & Physiology Flashcards]]<br>[[Facial_Muscles_-_Musculoskeletal_-_Flashcards|Facial Muscles Flashcards]] | ||
| − | |||
}} | }} | ||
| − | {{ | + | {{Lisa Milella reviewed |
| + | |date = July 28, 2013}} | ||
{{OpenPages}} | {{OpenPages}} | ||
| − | [[Category:Oral Cavity - Anatomy & Physiology]] | + | [[Category:Oral Cavity - Anatomy & Physiology]][[Category:Musculoskeletal System - Anatomy & Physiology]] |
| − | [[Category:Musculoskeletal System - Anatomy & Physiology]] | + | [[Category:LisaM reviewed]] |
| + | [[Category:Dental Anatomy - Small Animal]] | ||
Revision as of 05:41, 26 July 2014
Overview
The cheeks (buccae) are important in the process of mastication (and also drinking in herbivores). Minor Salivary glands are located within the buccal musculature. The cheeks also create extensive food storage pouches in some species. B
Structure and Function
The cheeks are composed of many of the muscles of mastication.
The main muscles of mastication are:
- The masseter muscle
- The lateral and medial pterygoids
- The digastricus muscle
- The temporalis muscle
Other muscles that aid mastication include :
- the buccinator muscle
- the zygomaticus muscle
- the platysma muscle
The Parotid duct opens in a small papillae above the upper fourth premolar (canid).
Innervation
The cheeks are innervated by the trigeminal nerve (CN V) and the facial nerve (CN VII).
Histology
- Non keratinised stratified epithelium
- Some keratinisation in ruminants (see species difference section )
- Buccal glands
- Zygomatic salivary gland
Species Differences
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. These large, pointed and densely spaced projections of keratin provide protection to the underlying epithelium due to the rough diet.
| Cheeks Learning Resources | |
|---|---|
 Test your knowledge using flashcard type questions |
Cheeks Anatomy & Physiology Flashcards Facial Muscles Flashcards |
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This article was expert reviewed by Lisa Milella BVSc DipEVDC MRCVS. Date reviewed: July 28, 2013 |
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