Difference between revisions of "Oral Cavity Overview - Anatomy & Physiology"

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<big><center>[[Alimentary - Anatomy & Physiology|'''BACK TO ALIMENTARY - ANATOMY & PHYSIOLOGY''']]</center></big>
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<big><center>[[Oral Cavity - Cavity - Anatomy & Physiology|'''BACK TO ORAL CAVITY - ANATOMY AND PHYSIOLOGY]]</center></big>
  
 
==Introduction==
 
==Introduction==
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The oral cavity is the first section of the alimentary tract that recieves food. It provides the digestive functions of prehension, mastication and insalivation and also plays a role in the respiratory system through oral breathing when the nasopharynx is impaired.
  
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The oral cavity is the first section of the alimentary tract that receives food. It provides the digestive functions of prehension, [[Mastication|mastication]] and in salivation and also plays a role in the [[Cardiorespiratory System Overview - Anatomy & Physiology|respiratory system]] through oral breathing when the nasopharynx is impaired. The oral cavity or mouth, consists of accessory structures (the [[Salivary Glands - Anatomy & Physiology|salivary glands]]), projecting structures, (the [[:Category:Teeth - Anatomy & Physiology|teeth]] and the [[Tongue - Anatomy & Physiology|tongue]]) and the walls enclosing the oral cavity.
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The oral cavity or mouth, consists of accessory structures (the salivary glands), projecting structures (the teeth and tongue) and the walls enclosing the oral cavity.
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[[Image:Anatomy of the Oral Cavity.jpg|thumb|right|250px|Oral Cavity Anatomy - Copyright Nottingham 2008]]
 
  
 
==Anatomical Boundaries==
 
==Anatomical Boundaries==
  
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The oral cavity is bordered rostrally by the [[Lips|lips]] and caudally by the [[Pharynx - Anatomy & Physiology|pharynx]] at the level of the '''palatoglossal arches'''.
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*Rostrally by lips.
  
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'''Outer Vestibule'''
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*Caudally by pharynx at the level of the palatoglossal arches.
  
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The [[:Category:Teeth - Anatomy & Physiology|teeth]] and jaw margins medially and the [[Lips|lips]] and [[Cheeks|cheeks]] laterally. The ramus of the [[Skull and Facial Muscles - Anatomy & Physiology#Mandible (mandibula)|mandible]] and masseter muscle caudally.
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*The outer vestibule is between the teeth and jaw margins medially, to the lips and cheeks laterally and the ramus of the mandible and masseter muscle caudally.
  
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'''Oral Cavity Proper'''
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*The oral cavity proper is inside the dental arches.
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[[Image:Oral Cavity Cat.jpg|thumb|right|250px|Oral Cavity Cat - Copyright P.Fernandes]]
 
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Inside the dental arches, the palate borders dorsally and the [[:Category:Teeth - Anatomy & Physiology|teeth]], gums and jaw margins laterally. The [[Tongue - Anatomy & Physiology|tongue]] margins ventrally. The size can be altered by raising or lowering the [[Tongue - Anatomy & Physiology|tongue]] and the floor of the oral cavity when the mouth is closed.
 
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==Origin and Innervation==
 
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The oral cavity originates from ectoderm. It is innervated by the '''trigeminal nerve''' ([[Cranial Nerves - Anatomy & Physiology|CN V]]).
 
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{{Template:Learning
 
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|flashcards = [[:Category:Oral Cavity Anatomy & Physiology Flashcards|Oral Cavity anatomy]]<br>[[Oral Cavity Flashcards - Pathology|Oral Cavity pathology]]
 
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|powerpoints = [[Oral Cavity Histology resource|Histology tutorials about the oral cavity]]
 
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}}
 
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==Webinars==
 
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<rss max="10" highlight="none">https://www.thewebinarvet.com/dentistry/webinars/feed</rss>
 
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[[Category:Oral Cavity - Anatomy & Physiology]]
 

Revision as of 14:26, 30 June 2008

BACK TO ALIMENTARY - ANATOMY & PHYSIOLOGY
BACK TO ORAL CAVITY - ANATOMY AND PHYSIOLOGY

Introduction

The oral cavity is the first section of the alimentary tract that recieves food. It provides the digestive functions of prehension, mastication and insalivation and also plays a role in the respiratory system through oral breathing when the nasopharynx is impaired.

The oral cavity or mouth, consists of accessory structures (the salivary glands), projecting structures (the teeth and tongue) and the walls enclosing the oral cavity.

Anatomical Boundaries

  • Rostrally by lips.
  • Caudally by pharynx at the level of the palatoglossal arches.
  • The outer vestibule is between the teeth and jaw margins medially, to the lips and cheeks laterally and the ramus of the mandible and masseter muscle caudally.
  • The oral cavity proper is inside the dental arches.
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