Essential points of facial nerve
Facial nerve (VII)
|
Foramen |
Type |
Functional component |
Function |
Nuclei |
|
Internal acoustic meatus , facial canal and
stylomastoid foramen |
Mixed nerve both sensory and motor |
SVA: |
Carry taste
sensation from the anterior two-thirds of the tongue |
Nucleus of tractus solitaries |
|
|
GVE: |
This fibre innervate the submandibular and sublingual salivary glands, lacrimal gland and
gland of nose and palate |
Superior
salivary nucleus and lacrimal nuclei |
|
|
|
SVE |
This
fibre innervate muscles of facial expression, stapedius, the posterior belly
of digastric, and the stylohyoid. |
Main motor
nucleus |
|
|
|
GSA : |
Carry sensation from the skin of the external ear. |
|
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