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Summary of
Facial nerve
By
Dr. Noura El Tahawy
Faculty of Medicine,
El- Minia University
Special visceral sensory
(SVA)
Taste from the anterior two thirds of the
tongue.
Secretomotor to the lacrimal, nasal,
palatine glands.
General visceral efferent
(Parasympathetic)
(GVE)Chorda Tympani br.
Superficial Greater Petrosal br.
Branchiomotor: supply all of the muscles
derived from the second pharyngeal arch,
including the muscles of facial expression, the
buccinator, platysma, and those of the scalp
(occiptofrontalis and external ear), the
posterior belly of the digastric, stylohyoid
muscles and.platysma.
Stapedius muscle (derived from the second
pharyngeal arch)
Special Visceral Motor
(SVE)
Nerve to Stapedius muscle
Nerve to posterior belly, post.
auricular, nerve to stylohyoid.
Terminal brs. in the face:
Temporal, zygomatic, buccal,
mandibular and cervical nerves.
In the middle ear
In the middle ear
In the middle ear
After its exit from stylomastoid foramen
I. Superior Salivatory Nucleus in Pons
II. Nucleus solitarius in Medulla Oblongata
III. Motor nucleus of facial in Pons
Summary of Facial Nerve Anatomy
Secretomotor to the submandibular
and sublingual salivary glands
Nucleus Branches Distribution
Chorda Tympani br.
- Receives also Taste sensation from the
palate by fibers from the Solitary N.
(SVA).
By Dr. Noura El Tahawy