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When there does not seem to be a connection with a disorder of the inner ear or auditory nerve, tinnitus can be called "non-otic". In 30% of cases, tinnitus is influenced by the somatosensory system; for instance, people can increase or decrease their tinnitus by moving their face, head, jaw, or neck. [35]
The tensor tympani is a muscle within the middle ear, located in the bony canal above the bony part of the auditory tube, and connects to the malleus bone. Its role is to dampen loud sounds, such as those produced from chewing, shouting, or thunder.
The tympanic nerve (Jacobson's nerve) is a branch of the glossopharyngeal nerve passing through the petrous part of the temporal bone to reach the middle ear. It provides sensory innervation for the middle ear, the Eustachian tube, the parotid gland, and mastoid cells. It also carries parasympathetic fibers destined for the parotid gland.
That ringing or buzzing in your ears at any given time is a symptom commonly known as tinnitus. According to the National Institutes of Health , "1 out of 10 US adults has experienced tinnitus in ...
A labelled cross-sectional diagram of the human ear. Thai แผนภาพแสดงโครงสร้างของหูเช่นหูชั้นในหูชั้นกลางและหูชั้นนอก
Tinnitus (ringing in the ears, from mild to severe) is accompanied often by ear pain and a feeling of fullness in the affected ear; usually, the tinnitus is more severe before a spell of vertigo and lessens after the vertigo attack. Attacks are characterized by periods of remission and exacerbation.