ear canal

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Related to External ear canal: External Auditory Meatus, External acoustic meatus

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.

ex·ter·nal a·cous·tic me·a·tus

[TA]
the passage leading inward through the tympanic portion of the temporal bone, from the auricle to the tympanic membrane; it consists of a bony (inner) portion and a fibrocartilaginous (outer) portion, the cartilaginous external acoustic meatus.

ear canal

n.
The narrow, tubelike passage through which sound enters the ear; the external auditory canal.

ear canal

n.
The narrow, tubelike passage through which sound enters the ear. Also called external auditory canal.
References in periodicals archive ?
He did not have otitis externa, and the bony-cartilaginous junction of the external ear canal was normal.
In addition to complete removal of infectious foci in all the selected patients (ears), the normal anatomical structures of the posterior external ear canal wall were preserved and the rate of effective hearing increase reached 76.54% (62/81), similar to the results of a previous study.5
If I am having trouble removing wax, or if the external ear canal is particularly curved, or if I'm on the fence or the parent seems to need further evidence of my diagnosis, I turn to the SGAR.
The microbiology of the normal and affected external ear canal. Aust.
The new product, which features the world's thinnest tip with an outside diameter of 3.2mm, helps observe the external ear canal and drum membrane of children.
The video scope will have a tube tip diameter of 3.2 millimeters, 0.7 mm thinner than the existing thinnest model the company sells, enabling doctors to easily view a child's external ear canal and drum membrane.
Though the severity of pain may preclude debridement, removing debris from the external ear canal during the office visit will maximize delivery of the medication.
According to Luc, the disease differs from other subperiosteal abscesses in that it develops without the mastoid bone involvement and that the infection spreads through the notch of Rivinus and branches of the deep auricular arteries located between the roof of the middle ear and the external ear canal, and the subperiosteal area.
Nomura, "Chondroma of the external ear canal," Otology Japan, vol.
CONDUCTIVE DEAFNESS For sound to reach the inner ear it has to travel through the external ear canal, cross the middle ear, and enter the hearing organ (the cochlea) in the inner ear.
Cole (2004) noticed that otoscopic evaluation of external ear canal and tympanic membrane was the first diagnostic procedure that should be performed in animals presented with otitis externa.
We conducted a retrospective study to evaluate the clinical properties andfollow-up of patients with external ear canal cholesteatoma (EECC) who were treated conservatively.