3,326
edits
Changes
Oropharynx - Anatomy & Physiology (view source)
Revision as of 17:20, 30 June 2008
, 17:20, 30 June 2008no edit summary
The oropharynx is the oral section of the pharynx.
The oropharynx is the oral section of the pharynx.
==Functional Anatomy==
==Functional Anatomy==
*Soft palate dorsally
*Soft palate dorsally
*Endoderm
*Innervated by glossopharyngeal nerve (CN IX)
*Divided by glossopalatine arch from oesophageal pharynx
==Musculature==
==Musculature==
'''Constrictors'''
*Hyopharyngeus
*Thyropharyngeus
*Cricopharyngeus
'''Dilators'''
*Stylopharyngeus
'''Shorten'''
*Pterygopharyngeus
'''Close Pharyngeal Arch'''
*Palatopharyngeus
==Innervation==
==Innervation==
*Muscles from pharyngeal arch 4 innervated by vagus nerve (CN X)
*Stylopharyngeus from pharyngeal arch 3 innervated by glossopharyngeal nerve (CN IX)
==Histology==
==Histology==
* Stratified squamous epithelium
*Keratinised in ruminants