Introduction. The glossopharyngeal nerve is the 9th cranial nerve (CN IX). It is one of the four cranial nerves that has sensory, motor, and parasympathetic functions. It originates from the medulla oblongata and terminates in the pharynx.
What diseases affect cranial nerves?
What are cranial neuropathies?
- Bell’s palsy. This condition occurs when the facial nerve (seventh cranial nerve) is affected.
- Microvascular cranial nerve palsy. This condition affects the nerves in the eye.
- Third nerve palsy. This condition affects the third cranial nerve.
- Fourth nerve palsy.
- Sixth nerve palsy.
How do you heal a vestibulocochlear nerve?
Rehabilitation. Treatment for conditions of the vestibulocochlear nerve usually involves managing symptoms until they resolve. Sometimes further intervention, like medication or surgery is required. Vestibular neuritis and labyrinthitis are managed with medication to manage nausea and dizziness.
What would happens if the glossopharyngeal nerve is damaged?
Glossopharyngeal nerve lesions produce difficulty swallowing; impairment of taste over the posterior one-third of the tongue and palate; impaired sensation over the posterior one-third of the tongue, palate, and pharynx; an absent gag reflex; and dysfunction of the parotid gland.
What are the side effects of a cranial CT scan?
Also tell your doctor if you’ve ever suffered an adverse reaction to contrast dye. Side effects and risks for a cranial CT scan involve discomfort, exposure to radiation, and allergic reaction to the contrast dye. Discuss any concerns with your doctor before the test so you can assess the potential risks and benefits for your medical condition.
Why would a doctor order a CT scan of the head?
They can help diagnose a range of conditions, including: Your doctor may order a cranial CT scan if you’ve had an injury or display any of these symptoms with no apparent cause: A cranial CT scan can also be used to guide other procedures such as surgery or biopsy.
What are the symptoms of a CT scan of the brain?
Your doctor may order a cranial CT scan if you’ve had an injury or display any of these symptoms with no apparent cause: fainting. headache. seizures, especially if any occurred recently. sudden behavioral changes or changes in thinking. hearing loss. vision loss. muscle weakness or numbness and tingling.
What should I know about CT scans before having one?
Discuss any concerns with your doctor before the test so you can assess the potential risks and benefits for your medical condition. The CT scan itself is a painless procedure. Some people feel uncomfortable on the hard table or have difficulty remaining still. You may feel a slight burning when the contrast dye enters your vein.