Difference between revisions of "Oral Cavity Overview - Anatomy & Physiology"
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==Introduction== | ==Introduction== | ||
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| − | The oral cavity or mouth, consists of accessory structures (the [[ | + | 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. |
| − | [[Image:Anatomy of the Oral Cavity.jpg|thumb|right| | + | [[Image:Anatomy of the Oral Cavity.jpg|thumb|right|250px|Oral Cavity Anatomy - Copyright Nottingham 2008]] |
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==Anatomical Boundaries== | ==Anatomical Boundaries== | ||
| − | + | 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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'''Outer Vestibule''' | '''Outer Vestibule''' | ||
| − | + | 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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'''Oral Cavity Proper''' | '''Oral Cavity Proper''' | ||
| + | [[Image:Oral Cavity Cat.jpg|thumb|right|250px|Oral Cavity Cat - Copyright P.Fernandes]] | ||
| + | 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. | ||
| − | + | ==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]]). |
| + | {{Template:Learning | ||
| + | |flashcards = [[:Category:Oral Cavity Anatomy & Physiology Flashcards|Oral Cavity anatomy]]<br>[[Oral Cavity Flashcards - Pathology|Oral Cavity pathology]] | ||
| + | |powerpoints = [[Oral Cavity Histology resource|Histology tutorials about the oral cavity]] | ||
| + | }} | ||
| + | {{OpenPages}} | ||
[[Category:Oral Cavity - Anatomy & Physiology]] | [[Category:Oral Cavity - Anatomy & Physiology]] | ||
Revision as of 16:42, 31 August 2014
Introduction
The oral cavity is the first section of the alimentary tract that receives food. It provides the digestive functions of prehension, mastication and in salivation 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 the tongue) and the walls enclosing the oral cavity.
Anatomical Boundaries
The oral cavity is bordered rostrally by the lips and caudally by the pharynx at the level of the palatoglossal arches.
Outer Vestibule
The teeth and jaw margins medially and the lips and cheeks laterally. The ramus of the mandible and masseter muscle caudally.
Oral Cavity Proper
Inside the dental arches, the palate borders dorsally and the teeth, gums and jaw margins laterally. The tongue margins ventrally. The size can be altered by raising or lowering the tongue and the floor of the oral cavity when the mouth is closed.
Origin and Innervation
The oral cavity originates from ectoderm. It is innervated by the trigeminal nerve (CN V).
| Oral Cavity Overview - Anatomy & Physiology Learning Resources | |
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 Test your knowledge using flashcard type questions |
Oral Cavity anatomy Oral Cavity pathology |
 Selection of relevant PowerPoint tutorials |
Histology tutorials about the oral cavity |
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