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Tympanic membrane retraction describes a condition in which a part of the eardrum lies deeper within the ear than its normal position.. The eardrum comprises two parts: the pars tensa, which is the main part of the eardrum, and the pars flaccida, which is a smaller part of the eardrum located above the pars tensa.
The maneuver is used to equalize pressure in the middle ear. Today, the maneuver is also performed by scuba divers, free divers and by passengers on aircraft as they descend. [1] [2] [3] The trapped air inside the mouth and nasal cavities is compressed by the movement of the tongue or larynx while doing Frenzel maneuver.
Diver clearing ears Section of the human ear, the Eustachian tube is shown in colour. Ear clearing, clearing the ears or equalization is any of various maneuvers to equalize the pressure in the middle ear with the outside pressure, by letting air enter along the Eustachian tubes, as this does not always happen automatically when the pressure in the middle ear is lower than the outside pressure.
Fluid in the ear means a buildup of mucus, or fluid, behind the eardrum. A healthy middle ear is filled with air, not fluid. Having fluid in there can be uncomfortable, serve as a breeding ground ...
For example, scalloping of the tongue is said to indicate qi vacuity. [13] Some modern medical sources still describe the tongue as "the mirror of physical health". [ 14 ] This is related to the high rate of turnover of the oral mucosa compared to the skin, which means that systemic conditions may manifest sooner in the mouth than the skin.
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.
"Ear infections can interfere with sound transmission, causing a ringing sensation in the ear," Lewis says. "Infections cause inflammation and fluid buildup, which disturb the auditory system ...
Oral tongue cancer is a cancer that happens in the front two-thirds of the tongue, while oropharyngeal tongue cancer forms at the base of the tongue in the back portion of the mouth and can extend ...