Results 11 to 20 of about 791,856 (396)

Anatomy and Development of the Mammalian External Auditory Canal: Implications for Understanding Canal Disease and Deformity

open access: yesFrontiers in Cell and Developmental Biology, 2021
The mammalian ear is made up of three parts (the outer, middle, and inner ear), which work together to transmit sound waves into neuronal signals perceived by our auditory cortex as sound.
Mona Mozaffari   +2 more
doaj   +1 more source

A case of cholesteatoma associated with traumatic ear canal stenosis discovered 50 years after injury

open access: yesOtolaryngology Case Reports, 2021
Acquired ear canal stenosis can be caused by trauma, inflammation, postoperative scar formation, or tumors. There is a risk of cholesteatoma formation because of keratinized deposits in the closed space, with a reduction in quality of life because of ...
Ryota Tomioka   +4 more
doaj   +1 more source

Bilateral Ear Acoustic Authentication: A Biometric Authentication System Using Both Ears and a Special Earphone

open access: yesApplied Sciences, 2022
In existing biometric authentication methods, the user must perform an authentication operation such as placing a finger in a scanner or facing a camera.
Masaki Yasuhara, Isao Nambu, Shohei Yano
doaj   +1 more source

A novel video-endoscope-guided myringotomy technique in dogs: Investigation in the value of vertical access to the tympanic membrane from beneath the patient - a pilot study

open access: yesVeterinary and Animal Science, 2021
Myringotomy is a well-accepted method for diagnosing and treating otitis media in dogs having an intact tympanic membrane. In a recent study, the contamination rate of middle ear aspirates from the external ear canal via myringotomy was 67%.
A. Mohammaddavoodi   +5 more
doaj   +1 more source

Establishing critical differences in ear-canal stimulus amplitude for detecting middle ear muscle reflex activation during olivocochlear efferent measurements

open access: yesInternational Journal of Audiology, 2020
Objective: Assessments of the medial olivocochlear reflex (MOCR) may have clinical utility. The MOCR is measured using contralateral inhibition of otoacoustic emissions but concurrent activation of the middle ear muscle reflex (MEMR) confounds test ...
Ian B. Mertes
semanticscholar   +1 more source

Endoscope ear pick: An emerging but neglected medical device

open access: yesFrontiers in Medicine, 2022
Earwax (cerumen), a normal bodily secretion, can become a problem when it obstructs the ear canal. Earwax removal is a difficult task for specialists because of the ear's unique location and the ear canal's intricate structure. Using ear scoops or cotton
Wendi Huang   +4 more
doaj   +1 more source

Spinning FlexHD canaloplasty following parotidectomy: A case report

open access: yesOtolaryngology Case Reports, 2020
The common method of external auditory canal (EAC) reconstruction is using a split thickness skin graft. We describe a case of a unique method of ear canal reconstruction using a spinning FlexHD graft.
Peter K. Firouzbakht   +3 more
doaj   +1 more source

External auditory canal reconstruction with inferior pedicled square screw flap from the preauricular area after resection of external auditory canal cancer

open access: yesLaryngoscope Investigative Otolaryngology, 2021
Background The postoperative reconstruction of ear canal cancer with a local flap such as the snail flap technique has been reported for cases with few tissue defects.
Utaro Anazawa   +5 more
doaj   +1 more source

Asymmetrically severe internal auditory canal hypoplasia: A case report. [PDF]

open access: yes, 2020
We present a case of an otherwise healthy 20-month-old with congenital sensorineural hearing loss. CT and MR imaging demonstrated bilateral asymmetrically severe hypoplasia of the internal auditory canals and vestibulocochlear nerves.
Djalilian, Hamid R   +6 more
core   +1 more source

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