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 ?
Temporomandibular joint is located anterior to external auditory canal and has two articulating components: mandibular condyle and glenoid fossa which is limited by petrotympanic fissure.
External auditory canal cholesteatoma can be limited to the epithelium without bony invasion, in which case keratin debris and epithelial hyperplasia are found during otoscopy.
Canal wall up mastoidectomy in combination with tympanoplasty is applicable to the treatments of all kinds of chronic otitis media in the case of intact external auditory canal bone wall, Eustachian tube patency and relatively restricted lesions.
1,3) Although there is usually resolution of symptoms after medical therapy, surgical excision of lesions in the external auditory canal may be clinically indicated.
A longitudinal fracture through the external auditory canal, middle ear and mastoid bone was present.
The canine auditory canal is an environment vulnerable to any change; anatomic and physiologic alterations can set off the development of a microclimate which favors microorganism proliferation [1, 16, 25, 33].
If you do, you could scratch your auditory canal or put a hole in your eardrum.
The auricle collects sound waves channeling them into the smaller auditory canal and creating more intense waves that are passed along until they hit the tympanic membrane.
The patient subsequently returned for definitive surgical therapy, which consisted of resection of the mass, including the external auditory canal, tympanic membrane, malleus, and incus, as well as a portion of the left temporal bone and the left parotid gland.
The spokesman said: "There are scientists who hold the opinion that since the auditory canal in children is smaller than in adults, there is a different amplification which makes children more sensitive to high- frequency sounds.
It is an inflammatory condition of the external auditory canal, the outside ear.
45 ounces and is designed to rest closely to the ear's auditory canal for enhanced sound quality.

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