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| ==Overview== | | ==Overview== |
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| The main muscles of [[mastication]] are: | | The main muscles of [[mastication]] are: |
− | **The '''buccinator''' muscle
| + | *The '''masseter''' muscle |
− | **The '''masseter''' muscle
| + | *The '''lateral''' and '''medial''' pterygoids |
− | **The '''lateral''' and '''medial''' pterygoids
| + | *The '''digastricus''' muscle |
− | **The '''digastricus''' muscle
| + | *The '''temporalis''' muscle |
− | **The '''zygomaticus''' muscle
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− | **The '''temporalis''' muscle
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− | **The '''platysma''' muscle
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| + | Other muscles that aid mastication include : |
| + | *the buccinator muscle |
| + | *the zygomaticus muscle |
| + | *the platysma muscle |
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− | The '''[[Parotid Gland - Anatomy & Physiology|Parotid duct]]''' ends in a small papillae opposite the upper fourth premolar (canid). | + | |
| + | The '''[[Parotid Gland - Anatomy & Physiology|Parotid duct]]''' opens in a small papillae above the upper fourth premolar (canid). |
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| ==Innervation== | | ==Innervation== |
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| The cheeks are innervated by the trigeminal nerve ([[Cranial Nerves - Anatomy & Physiology|CN V]]) and the facial nerve ([[Cranial Nerves - Anatomy & Physiology|CN VII]]). | | The cheeks are innervated by the trigeminal nerve ([[Cranial Nerves - Anatomy & Physiology|CN V]]) and the facial nerve ([[Cranial Nerves - Anatomy & Physiology|CN VII]]). |
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| + | ==Histology== |
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| + | *Non keratinised stratified epithelium |
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| + | *Some keratinisation in ruminants (see [[Cheeks#Species Differences|species difference section]] ) |
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| + | *[[Buccal Gland - Anatomy & Physiology|Buccal]] glands |
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| + | *[[Zygomatic Gland - Anatomy & Physiology|Zygomatic]] salivary gland |
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| ==Species Differences== | | ==Species Differences== |
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| '''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. | | '''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. |
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− | ==Other links== | + | {{Learning |
− | | + | |flashcards = [[Cheeks Anatomy & Physiology Flashcards]]<br>[[Facial_Muscles_-_Musculoskeletal_-_Flashcards|Facial Muscles Flashcards]] |
− | Click here for [[Cheeks - Histology|cheek histology]].
| + | |Vetstream = [https://www.vetstream.com/canis/Content/Disease/dis02133.asp Masticatory Myopthies] |
− | | + | }} |
− | Test yourself with the [[Oral Cavity - Anatomy & Physiology - Flashcards#Cheeks Flashcards|Cheek flashcards]] and [[Facial_Muscles_-_Musculoskeletal_-_Flashcards|Facial Muscles Flashcards]].
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− | [[Category:Oral Cavity - Anatomy & Physiology]][[Category:Musculoskeletal System]] | + | {{review}} |
− | [[Category:To Do - AimeeHicks]][[Category:To Do - Review]]
| + | {{OpenPages}} |
| + | [[Category:Oral Cavity - Anatomy & Physiology]] |
| + | [[Category:Musculoskeletal System - Anatomy & Physiology]] |