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Disease-specific sparing of the anterior semicircular canals in bilateral vestibulopathy [PDF]

Clinical Neurophysiology, 2016
OBJECTIVE: Bilateral vestibular loss (BVL) is often diagnosed with great delay and an underlying cause is only identified in 50-80%. We measured horizontal and vertical semicircular canal function using the video-head-impulse test (vHIT) and hypothesized
Alexander A Tarnutzer, Christopher J Bockisch, Stefan Weiler   +2 more
exaly   +2 more sources

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Orientation of the semicircular canals in rat

Brain Research, 1989
The orientation of the rat semicircular canals was determined using one of two techniques. Null point analysis was used to define physiologically the planar equations of the anterior (n = 15) and posterior canals (n = 15); equations for the horizontal canal (n = 19) were determined using an anatomical dissection technique. Canal orientation was defined
R H, Blanks, Y, Torigoe
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The flow of endolymph in the semicircular canals

Physics in Medicine & Biology, 1979
The response of the receptors in the semicircular canals to rotary movement of the head is usually described in terms of an ordinary second order differential equation. There are, however, some theoretical objections to this equation and these are examined.
K, Pardoe, P M, Haughton
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Dehiscence of the posterior semicircular canal

American Journal of Otolaryngology, 2015
Semicircular canal dehiscence (SCD) is a condition of the inner ear wherein the temporal bone adjacent to the vestibular apparatus thins or erodes completely. It has no clear epidemiological predisposing factors that have been identified to date. Its diagnosis is made difficult by a clinical presentation that often overlaps with other pathologies of ...
Lilia, Peress, Steven A, Telian, Ashok, Srinivasan   +2 more
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Multiple dehiscence of semicircular canals

The Journal of Laryngology & Otology, 2006
Dehiscence of the semicircular canal is an uncommon condition and has been reported to involve the roof of the superior semicircular canal. We describe a case with dehiscence of four semicircular canals and in areas not involving the roof of the superior semicircular canal.
D, Rajenderkumar, K L, Farrell, R M, Alles, L, Savy   +3 more
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Lateral Semicircular Canal Dehiscence

Otology & Neurotology, 2007
genesis of these symptoms has been attributed to the presence of a third window, which provides a different path for the dissipation of acoustic energy (4). A subset of patients, however, are asymptomatic, and these patients’ conditions are diagnosed on imaging or postmortem analyses of temporal bones.
Marc K, Bassim, Krishna G, Patel, Craig A, Buchman   +2 more
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The Dimensions and Sensitivities of Semicircular Canals

Journal of Experimental Biology, 1970
ABSTRACT The dimensions of the semicircular canals of pike can be expressed as allometric functions of the body length L. The equal sensitivity of pike of different sizes to rotatory stimulation can be explained as a quadratic bending of the cupula.
J H, ten Kate, H H, van Barneveld, J W, Kuiper   +2 more
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Acoustic Stimulation of the Semicircular Canals

Otolaryngologic Clinics of North America, 1995
Stimulation of the semicircular canals provides an alternative method of vibratory stimulation of the auditory system. The frequency response characteristics of stimulation of the tympanic membrane, malleus, stapes, round window, and fenestrated semicircular canal are presented in this article.
D B, Welling, D E, Barnes
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Fistula of the lateral semicircular canal

Clinical Otolaryngology, 1978
The principles enunciated by Adam Politzer concerning the management of fistula of the lateral semicircular canal are as true today as they were during his time, in spite of the advances made in otologic surgery during the past 25 years or more. If a fistula of the lateral semicircular canal is suspected or proven, the patient's hearing has a greater ...
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Prostaglandins in the semicircular canal of the frog

Hearing Research, 1987
The synthesis of prostaglandins by ampulla and duct tissue isolated from the frog posterior semicircular canal was investigated in vitro. Ampulla and duct produced PGE2 (9 and 6 pg/structure, respectively) and prostacyclin (26 and 12 pg/structure). In the ampulla, prostaglandins mostly originated from the part containing dark and sensory cells and was ...
E, Ferrary, C, Bernard, O, Sterkers, B, Escoubet   +3 more
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