Lecture16: Remaining Cranial Nerves Flashcards
Name 2 branches of the Glossopharyngeal?
Tympanic and muscular
What does the glossopharyngeal nerve leave the skull through?
Jugular Foramen
Where does the glossopharyngeal nerve end?
Posterior 1/3 of the tongue
What does the muscular branch supply?
The stylopharyngeus muscle
What is the origin of the glossopharyngeal nerve?
Medulla oblongata
What does the tympanic branch of the glossopharyngeal form?
Tympanic membrane of the ear
What is the course of the vagus nerve?
Carotid sheath
Name 2 branches of the vagus nerve
Pharyngeal, meningeal
What is the cranial origin of the accessory nerve?
Medulla oblongata
What is the spinal origin of the accessory nerve?
Upper 4 or 5 cervical segments of the spinal cord
Through which formamen does the spinal part enter the cranial cavity?
Foramen magnum
What does the accessory nerve supply through joining both pharyngeal and laryngeal branches?
All muscles of the pharynx, except stylopharyngeus and all muscles of the larynx
What is the classification of the hypoglossal nerve?
Pure motor nerve
What does the hypoglossal nerve leave the skull through?
Hypoglossal foramen
What does the muscular branch of the hypoglossal nerve supply?
All muscles of the tongue except palatoglossus
