Anatomy Lecture 43_The Face and Ear Flashcards
What nerve provides sensory innervation to the face? What are its divisions?
CN V: -Ophthamic division (CN V1) -Maxillary division (CN V2) -Mandibular division (CN V3)
What does CN V innervate
Sensory face and muscles of mastication
What does CN VII innervate?
Motor innervation to the muscles of facial expression
What are the branches of CN VII?
Temporal, Zygomatic, Buccal, Mandibular, Cervical, Facial, Posterior Auricular
The superficial temporal artery is a branch of what other artery?
The external carotid artery
What nerve innervate the parotid Gland?
CN IX
What are the three components of the ear?
External ear, Middle ear (location of the timpanic membrane and the three bones) and the inner ear (location of the semicircular cannals and choclea)
What are the two clinical correlations of the External ear?
Cauliflower Ear: Repeated trauma to the external ear Otitis Externa “Swimmers Ear” –Infection of External Acoustic Meatus
What are the 8.5 muscles of the lower face and where are they located?
What are the 5.5 muscles of the upper face?
What are the 6 parts of the external ear?
What is the innervation of the external ear