external auditory canal


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external auditory canal

the passage leading inward through the tympanic portion of the temporal bone, from the auricle to the tympanic membrane; it consists of fibrocartilaginous outer and bony inner portions lined with thin skin medially and thicker skin with ceruminous glands, hair follicles, and subcutaneous fat laterally.

external auditory canal

n.
The passage leading inward through the tympanic portion of the temporal bone, from the external ear to the eardrum.

external auditory canal

n.

external auditory canal, external auditory meatus

ex·ter·nal au·di·to·ry ca·nal

(eks-tĕrnăl awdi-tōr-ē kă-nal)
The passage leading inward through the tympanic portion of the temporal bone, from the auricle to the tympanic membrane; it consists of fibrocartilaginous outer and bony inner portions lined with thin skin medially and thicker skin with ceruminous glands, hair follicles, and subcutaneous fat laterally.
Synonym(s): acoustic meatus (2) .
References in periodicals archive ?
Multiple dermoid cysts of the external auditory canal.
On follow-up, the external auditory canal was widely patent and well epithelialized, and the family reported that the child was more responsive to noises on her right side.
She had a bifid external auditory canal and two skin tags in front of the external auditory canal.
Congenital aural stenosis is defined as an external auditory canal less than 4 mm across.
Otological examination was unhelpful due to severe external auditory canal stenosis.
One month postoperatively, office otoscopy discovered polyps in the left external auditory canal.
Some granulation tissue and associated skin swelling were noted over the left external auditory canal.
A case of osteoma with cholesteatoma in the external auditory canal.
The retroauricular area and the external auditory canal were infiltrated with a solution of 1:200,000 lidocaine and epinephrine.
When metastases do occur, they are most commonly found in the petrous portion (35% of cases), the internal auditory canal (17%), the mastoid (8%), and the external auditory canal (8%).
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).
Recurrent hemangioma of the external auditory canal.

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