Facial Nerve

Question 1

Development?

Answer 1

Associated with 2nd visceral arch

Question 2

Parts ?

Answer 2

Properly facial nerve

Intermediate nerve

Question 3

Type ?

Answer 3

General somatic sensory
Special visceral sensory
General visceral motor
Special visceral motor

Question 4

Nuclei of properly facial & topography?

Answer 4

Motor nucleus- tegmentum of pons below facial coliculus

Supply facial muscles

Question 5

Nuclei of Intermediate

Answer 5

Solitary tract nucleus- sensory nucleus

Superior salivatory nucleus- parasympathetic fibers

Question 6

Branches and innervation?

Answer 6

Temporal- auricular muscles, orbicular muscles of the eyes
Zygomatic- zygomatic major, orbicular muscles
Buccal- buccinator,greater&lesser zygomatic muscles , nasal muscles
Marginal mandibular- mentalis muscles & depressor labii inferior
Cervical - platisma