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 ?
They are non-ulcerated, polypoid superficial mass of a red to tan appearance, with cut surface showing occasional small cysts in outer half of external auditory canal and having mean size of 1.
Wet brownish or black grey mouldy mats/ with spores with epithelial debris were the commonest characteristic finding on otoscopy along with hyperemia and edema of the external auditory canal.
Syms C, Nelson R: Impression-material foreign bodies of the middle ear and external auditory canal.
Right otoscopy detected a soft-tissue swelling in the external auditory canal.
Very few cases in head and neck location and only one in external auditory canal have so far been reported.
The Thiersch graft is essentially a partial-thickness, semitransparent skin graft that is used to re-epithelialize portions of a newly created mastoid cavity or a surgically altered external auditory canal.
Computerized tomography of the skull and the temporal bone showed an irregular expansile lytic lesion in the right external auditory canal, extending to the middle ear and inner ear with destruction of the tympanic membrane, ossicles (Figure 1).
A case of osteoma with cholesteatoma in the external auditory canal.
The ENT examination revealed the presence of a bony structure and a blood clot in the right external auditory canal.
Otoscopic examination revealed a purple mass at the roof of the medial part of the osseous external auditory canal (EAC), about 5 mm in diameter (figure).
The retroauricular area and the external auditory canal were infiltrated with a solution of 1:200,000 lidocaine and epinephrine.

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