click below
click below
Normal Size Small Size show me how
CN innervations
Dental Anatomy DENT-110
Question | Answer |
---|---|
Olfactory I | Afferent: nasal olfactory mucosa |
Optic II | Afferent: retina of the eye |
Oculomotor III | Efferent: eye muscles including some smooth muscles (parasympathetic) |
Trochlear IV | Efferent: one eye muscle |
Trigeminal V | Efferent: muscles of mastication and other cranial muscles Afferent: face and head skin, teeth, oral cavity, and most general sensation of the tongue |
Abducens VI | Efferent: one eye muscle |
Facial VII | Efferent: muscles of facial expression, other cranial muscles, lacrimal gland and submandibular, sublingual and minor salivary glands (parasympathetic) Afferent: skin around ear and taste sensation for tongue |
Vestibulocochlear VIII | Afferent: inner ear |
Glossopharyngeal IX | Efferent: stylopharyngeus muscle and parotid salivary gland plus mucous glands of pharynx(parasympathetic) Afferent: skin around ear, mucosa of pharynx and middle ear, and taste and general sensation for posterior tongue |
Vagus X | Efferent: most muscles of soft palate, pharynx, larynx, thoracic and abdominal organs (parasympathetic) Afferent: skin around ear and taste sensation for epiglottis |
Accessory XI | Efferent: muscles of neck |
Hypoglossal XII | Efferent: tongue muscles |