The pictures and diagrams below show the anatomy of the facial nerve.
These pictures were submitted by Dr. Kedar K.
M.D. and drawn by
Steadman and K K Adour, M.D.
of the facial nerve and structures it innervates.
- Tearing -- Lacrimal Gland
- Taste -- Anterior 2/3 of the Tongue
- Saliva Production -- Sublingual Gland,
Nasal and Palatine Gland
- Muscles of Facial Expression
- Stapedius Muscle -- A muscle which
helps to protect the ear
from loud noises.
- Contains a few somatic afferent fibers.
of innervations of the muscles of facial expression. The facial
nerve exits the stylomastoid foramen and enters the parotid gland.
It then divides into a lower and upper division and further subdivides
into five or more branches.
- Frontalis -- Innervates the Forehead
- Orbicularis Oculi -- Eyelid muscles
- Obicularis Oris - Lip muscles
ear surgery the facial nerve can be injured. The nerve travels
between the stapes and lateral semicircular canal, then into the mastoid
cavity. It exits the mastoid cavity via the stylomastoid foramen and
enters the parotid gland.
carries a risk of facial paralysis.
The picture on the left
shows the facial nerve
diagram on the right shows the blood supply of the facial nerve.
Website last updated:
The Following Websites are
Google Ad space finances and sponsors ENT USA Websites. ENT USA, Cumberland Otolaryngology
or Dr Kevin Kavanagh, MD do not endorse, recommend, referrer to or are responsible for the Advertisements or for the
content or claims made
in the Advertisements.