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| ==Introduction== | | ==Introduction== |
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− | The [[Pharynx - Anatomy & Physiology|pharynx]] is the chamber connecting the [[Oral Cavity Overview - Anatomy & Physiology|oral cavity]], [[Nasal Cavity - Anatomy & Physiology|nasal cavity]], [[Oesophagus - Anatomy & Physiology|oesophagus]] and [[Larynx - Anatomy & Physiology|larynx]]. The [[Pharynx - Anatomy & Physiology|pharynx]] is divided into the [[Nasopharynx - Anatomy & Physiology|nasopharynx]], oropharynx and [[Larynx - Anatomy & Physiology#Laryngeal Pharynx|laryngeal pharynx]] which all have different functions, innervation and develope differently. The oropharynx is the oral section of the [[Pharynx - Anatomy & Physiology|pharynx]]. | + | The [[Pharynx - Anatomy & Physiology|pharynx]] is the chamber connecting the [[Oral Cavity Overview - Anatomy & Physiology|oral cavity]], [[Nasal Cavity - Anatomy & Physiology|nasal cavity]], [[Oesophagus - Anatomy & Physiology|oesophagus]] and [[Larynx - Anatomy & Physiology|larynx]]. The [[Pharynx - Anatomy & Physiology|pharynx]] is divided into the nasopharynx, oropharynx and [[Larynx - Anatomy & Physiology#Laryngeal Pharynx|laryngeal pharynx]] which all have different functions, innervation and develop differently. The oropharynx is the oral section of the [[Pharynx - Anatomy & Physiology|pharynx]]. |
| [[Image:Pharynx Anatomy.jpg|thumb|right|250px|Pharynx Labelled - Copyright C.Clarkson and T.F.Fletcher University of Minnesota]] | | [[Image:Pharynx Anatomy.jpg|thumb|right|250px|Pharynx Labelled - Copyright C.Clarkson and T.F.Fletcher University of Minnesota]] |
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| ==Structure and Function== | | ==Structure and Function== |
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− | The last molar borders rostrally and the [[Epiglottis]] caudally. The [[Tongue - Anatomy & Physiology|tongue]] borders ventrally and the [[Soft Palate|soft palate]] dorsally. It is derived from endoderm. | + | The last molar borders rostrally and the [[Larynx - Anatomy & Physiology#Epiglottis|epiglottis]] caudally. The [[Tongue - Anatomy & Physiology|tongue]] borders ventrally and the [[Soft Palate|soft palate]] dorsally. It is derived from endoderm. |
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| The oropharynx is innervated by the '''glossopharyngeal nerve''' ([[Cranial Nerves - Anatomy & Physiology|CN IX]]). It is divided by the '''glossopalatine arch''' from the [[Larynx - Anatomy & Physiology#Laryngeal Pharynx|laryngeal pharynx]]. | | The oropharynx is innervated by the '''glossopharyngeal nerve''' ([[Cranial Nerves - Anatomy & Physiology|CN IX]]). It is divided by the '''glossopalatine arch''' from the [[Larynx - Anatomy & Physiology#Laryngeal Pharynx|laryngeal pharynx]]. |
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| ==Histology== | | ==Histology== |
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− | The oropharynx has a '''stratified squamous epithelium'''. The oropharynx is keratinised in ruminants. The '''lamina propria''' contains aggregates of lymphoid tissue (called tonsils) in several parts of the oropharynx. | + | The oropharynx has a '''stratified squamous epithelium'''. It is keratinised in ruminants. The '''lamina propria''' contains aggregates of lymphoid tissue (called tonsils) in several parts of the oropharynx. |
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| ==Musculature== | | ==Musculature== |
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| Muscles from the pharyngeal arch are innervated by the '''vagus nerve''' ([[Cranial Nerves - Anatomy & Physiology|CN X]]). The stylopharyngeus from the pharyngeal arch is innervated by the '''glossopharyngeal nerve''' ([[Cranial Nerves - Anatomy & Physiology|CN IX]]). | | Muscles from the pharyngeal arch are innervated by the '''vagus nerve''' ([[Cranial Nerves - Anatomy & Physiology|CN X]]). The stylopharyngeus from the pharyngeal arch is innervated by the '''glossopharyngeal nerve''' ([[Cranial Nerves - Anatomy & Physiology|CN IX]]). |
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− | ==Links== | + | {{Template:Learning |
− | | + | |quiz = [[Oropharyngeal anatomy]] |
− | '''Test yourself with the [[Oral Cavity - Anatomy & Physiology - Flashcards#Oropharynx Flashcards|Oropharynx Flashcards]]'''
| + | |flashcards = [[Oropharynx Anatomy & Physiology Flashcards]] |
− | | + | |Vetstream = [https://www.vetstream.com/canis/Content/Illustration/ill50412.asp Oropharynx Stick injury] |
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| [[Category:Oral Cavity - Anatomy & Physiology]] | | [[Category:Oral Cavity - Anatomy & Physiology]] |
− | [[Category:To Do - AimeeHicks]]
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