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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 |