FACIAL NERVE Flashcards
Origin: Attaches to the lateral surface of the brainstem, the pons
facial nerve
Where does facial nerve exit from the skull?
Stylomastoid foramen
Branch that helps with the muscles of facial expression
Branchial motor
Branch that sends sensory to the tongue
Special sensory
Branch that sends sensory to the ear
general sensory
Where does the facial nerve pass through but does not innervate
parotid gland
It consists of a large motor root responsible for:
- muscles of facial expression
- visual expression of the face
- scalp
posterior belly of the digastric muscle and stylohyoid muscle
platysma muscle - stapedius muscle
Efferent fibers of the facial nerve:
Submandibular gland
Sublingual gland
Lacrimal gland
Facial nerve has a smaller sensory root or the intermediate nerve that is responsible for ________.
taste
It adjoin with the lingual nerve and supply the sense of taste to the anterior two thirds of the tongue
Chorda tympani
- Area between the mandibular ramus and pterygoid process of the sphenoid bone
- Area of injection of mandibular nerve block
Pterygomandibular space
Temporal branch of facial nerve innervates?
Frontalis
Orbicularis oculi
Corrugator supercilii
Zygomatic branch of facial nerve innervates?
Orbicularis oculi
Buccal branch of facial nerve innervates?
Orbicularis oris
buccinator
zygomaticus
Marginal mandibular branch of facial nerve innervates?
mentalis
depressor labii inferioris
depressor anguli oris
