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May 30, 2024 · There are a number of functions of the glossopharyngeal nerve: receives general sensory fibers from the tonsils, the pharynx, the middle ear, and the posterior one-third of the tongue. receives special sensory fibers (taste) from the posterior one-third of the tongue.
Feb 15, 2024 · Some fibers contributing to the lesser petrosal nerve of the glossopharyngeal nerve also arise from the geniculate ganglion, but the nerve is described as a branch of the glossopharyngeal nerve rather than the facial nerve. The labyrinthine segment is the shortest, measuring only 3-4 mm.
Radiopaedia.org
Sep 25, 2024 · glossopharyngeal nerve (CN IX): 1 to 2 mm from root entry zone. Clinical importance. The transition zone is susceptible to mechanical irritation and is implicated in neurovascular compression syndromes such as trigeminal neuralgia (CN V), hemifacial spasm (CN VII), vestibular paroxysmia (CN VIII) and glossopharyngeal neuralgia (CN IX).
Jun 19, 2023 · It can range from trigeminal neuralgia or glossopharyngeal neuralgia (somatic sensory), hemifacial spasm (somatic motor), tinnitus and vestibular paroxysmia (special sensory) and some cases of essential hypertension.
Jun 18, 2022 · In this location, the hypoglossal nerve is in close relation to other lateral pharyngeal structures, including the internal jugular vein, and the glossopharyngeal, vagus and spinal accessory nerves 1,3.
Aug 28, 2024 · The vagus nerve (TA: nervus vagus or nervus cranialis X), the tenth cranial nerve (CN X), exits the skull through the jugular foramen, travels down the neck within the carotid sheath, over the pericardium and into the abdomen, giving off numerous branches. It is the longest cranial nerve.
Aug 5, 2024 · It tends to present as attacks of sudden shock-like excruciating pain, which usually lasts a few seconds to about two minutes, most often involving the maxillary branch. The pain is typically triggered by trivial stimuli such as talking, drinking, brushing teeth, shaving, chewing, or touching the face.
Aug 2, 2021 · There are many cranial nerve mnemonics that can be memorable and rude/lewd. Either way, they can be helpful for remembering the names of the twelve cranial nerves , as well as remembering which nerves are sensory, motor, or both.
Aug 6, 2023 · especially flexor surfaces (specifically ulnar and peroneal nerves) Macroscopic appearance. Schwannomas are benign encapsulated neoplasms of Schwann cells (WHO grade 1 9). They arise eccentrically from their parent nerve, with the nerve fibers splayed along their surface (as distinct to neurofibromas which arise within the nerve). Microscopic ...
