Changes

Jump to navigation Jump to search
m
Line 277: Line 277:  
*Most nerve fibres that have come from the hair cells terminate in the vestibular nuclei, which are located in the fourth ventricle of the cerebral cortex.
 
*Most nerve fibres that have come from the hair cells terminate in the vestibular nuclei, which are located in the fourth ventricle of the cerebral cortex.
 
*After entering the vestibular nuclei, some of the processes of the nerve fibres divide into ascending and descending branches. Some processes pass directly into the cerebellum.
 
*After entering the vestibular nuclei, some of the processes of the nerve fibres divide into ascending and descending branches. Some processes pass directly into the cerebellum.
 +
    
==Vasculature==
 
==Vasculature==
*The medial, intermediate and lateral auricular rami supply the outer ear, all of which are branches of the great auricular artery, which itself is a branch of the external carotid artery.
+
*The medial, intermediate and lateral auricular rami supply the outer ear, all of which are branches of the great auricular artery, which itself is a branch of the external carotid artery. Venous drainage is via satellite veins to the '''internal maxillary veins'''.
 +
 
 
*The tympanic membrane is highly vascularised.
 
*The tympanic membrane is highly vascularised.
  −
The vascular supply to the outer ear is provided by the '''great auricular arteries''' (ex internal carotid artery).  Venous drainage is via satellite veins to the '''internal maxillary veins'''.
  −
      
==Innervation==
 
==Innervation==
76

edits

Navigation menu