Changes

Jump to navigation Jump to search
no edit summary
Line 4: Line 4:     
The oropharynx is the oral section of the [[Pharynx - Anatomy & Physiology|pharynx]].
 
The oropharynx is the oral section of the [[Pharynx - Anatomy & Physiology|pharynx]].
[[Image:Pharynx Anatomy.jpg|thumb|right|150px|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]]
    
==Structure and Function==
 
==Structure and Function==
   −
*Last molar rostrally
+
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.
 
  −
*[[Epiglottis]] caudally
  −
 
  −
*[[Tongue - Anatomy & Physiology|Tongue]] ventrally
  −
 
  −
*[[Soft Palate|Soft palate]] dorsally
  −
 
  −
*Endoderm
  −
 
  −
*Innervated by glossopharyngeal nerve ([[Cranial Nerves - Anatomy & Physiology|CN IX]])
  −
 
  −
*Divided by glossopalatine arch from [[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]].
    
==Musculature==
 
==Musculature==
Line 27: Line 16:  
'''Constrictors'''
 
'''Constrictors'''
   −
*Hyopharyngeus
+
The constrictor muscles include the '''hyopharyngeus''', '''thyropharyngeus''' and '''cricopharyngeus'''.
 
  −
*Thyropharyngeus
  −
 
  −
*Cricopharyngeus
      
'''Dilators'''
 
'''Dilators'''
   −
*Stylopharyngeus
+
The dilator muscle is the '''stylopharyngeus'''.
 
  −
'''Shorten'''
  −
 
  −
*Pterygopharyngeus
  −
 
  −
'''Close Pharyngeal Arch'''
  −
 
  −
*Palatopharyngeus
      +
The '''pterygopharyngeus''' muscle shortens the oropharynx and the '''palatopharyngeus''' muscle closes the pharyngeal arch.
    
==Innervation==
 
==Innervation==
   −
*Muscles from pharyngeal arch 4 innervated by vagus nerve ([[Cranial Nerves - Anatomy & Physiology|CN X]])  
+
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]]).
 
  −
*Stylopharyngeus from pharyngeal arch 3 innervated by glossopharyngeal nerve ([[Cranial Nerves - Anatomy & Physiology|CN IX]])  
  −
 
  −
 
  −
==[[Oropharynx - Histology|Histology]]==
  −
 
  −
==Test yourself with the Oropharynx flashcards==
     −
[[Oral Cavity - Anatomy & Physiology - Flashcards#Oropharynx Flashcards|Oropharynx Flashcards]]
+
==Links==
    +
'''Test yourself with the [[Oral Cavity - Anatomy & Physiology - Flashcards#Oropharynx Flashcards|Oropharynx Flashcards]]'''
    +
'''Click here for information on [[Oropharynx - Histology|histology]]'''
 
[[Category:Oral Cavity - Anatomy & Physiology]]
 
[[Category:Oral Cavity - Anatomy & Physiology]]
[[Category:To Do - A&P]]
+
[[Category:To Do - AimeeHicks]]
1,473

edits

Navigation menu