external auditory meatus

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external auditory meatus

[ek′stərn·əl ′ȯd·ə‚tȯr·ē mē′ād·əs]
(anatomy)
The external passage of the ear, leading to the tympanic membrane in reptiles, birds, and mammals.
References in periodicals archive ?
Smooth muscle tumor of the external auditory canal. Otolaryngol Head Neck Surg 1997; 116: 231-3.
Traumatic Incus Dislocation Into The External Auditory Canal. Otol Neurotol 2013; 34: 28-9.
Within the literature, including this case, there are only four reported cases of TMJ ganglion presenting as an external auditory canal (EAC) mass [4-6].
There was no visible opening of the fistula in the external auditory canal. The lesion was superficial to the facial nerve.
Preoperative Photo and Endoscopic View of the Occluded External Auditory Canal
Inclusion criteria: When otitis media, otoscopic examination through the external auditory canal showed the eardrum was inflammatory, manifested as redness, swelling and extrusion; reflection of the otoscopic light by the eardrum surface disappeared or attenuated; the eardrum had a white interface upon middle-ear hydrops; age older than 18 years.
These include cotton wool swab collection of discharge from the external auditory canal, needle aspiration of the middle ear (tympanocentesis), and suction aspiration of the discharge from the middle ear through the tympanic membrane perforation.
The new-age hearing aids are not visible to others and can be placed within the auditory canal. They are usually waterproof and require low maintenance that includes a change of case and a change of batteries periodically.
Next, the chorda tympani nerve was anteplaced and adhered to the posterior wall of the external auditory canal with medical glue [Figure 2]b.
Different foreign bodies can reach the lumen of the external auditory canal. Clinical presence of foreign bodies depends on a few factors (the nature of foreign body, localization, morphological features, and the presence of pathological process).

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