Semicircular canal
The Effects of Vestibular Rehabilitation after Bilateral Superior Semicircular Canal Dehiscence: A Case Report
... superior semicircular canal dehiscence ...The semicircular canals are filled with a fluid called endolymph which has hair cells embedded ...superior canal creates what was described by Mi- nor ...
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Lying-down nystagmus and head-bending nystagmus in horizontal semicircular canal benign paroxysmal positional vertigo: are they useful for lateralization?
... produces a stronger response than ampullofugal flow in the horizontal semicircular canal”, evoked nystagmus is stronger when the head is turned toward the affected side in geotropic HSC-BPPV. On the ...
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cAMP-stimulated Cl- secretion is increased by glucocorticoids and inhibited by bumetanide in semicircular canal duct epithelium
... The inner ear controls the ion composition of its luminal fluid, endolymph, through a multiplicity of transepithelial transport mechanisms in different cell types bounding the lumen. The high-K + , low Na + , low Ca 2+ ...
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Ion transport regulation by P2Y receptors, protein kinase C and phosphatidylinositol 3 kinase within the semicircular canal duct epithelium
... Background: The ionic composition of the luminal fluid in the vestibular labyrinth is maintained within tight limits by the many types of epithelial cells bounding the lumen. Regulatory mechanisms include systemic, ...
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Original Article Evaluation of efficacies and recurrence rates of three self-treatment maneuvers for posterior semicircular canal benign paroxysmal positional vertigo
... transformation had small operating deviations in case of the modified Epley maneuver, the impact of those on the treatment outcome would not be large [12, 13]. In contrast, small deviations in the implementation of the ...
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Spectrum of Third Window Abnormalities: Semicircular Canal Dehiscence and Beyond
... FIG 1. Mechanisms of air- and bone-conducted sound in healthy and third window anatomy. A, Normal air conduction. Vibrations of the tympanic membrane are transmitted inward through the auditory ossicles and oval window. ...
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Association between superior semicircular canal dehiscence and other dehiscences in temporal bone
... superior semicircular canal dehiscences, and El Hadi [7] registered two twins in the series that they studied, with both superior semicircular canal dehiscence and tegmen tympani ...superior ...
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Can MRI Replace CT in Evaluating Semicircular Canal Dehiscence?
... SSC or PSC dehiscence assessment was done by consensus between 2 neuro- radiologists (P.B., U.P.). This was achieved by reviewing the axial source images and reformations. If needed, ad- ditional multiplanar reformations ...
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A 7 Year Old Boy with Light Cupula of the Horizontal Semicircular Canal
... posterior semicircular canal type (so-called benign paroxysmal positional vertigo) or horizontal semicircular canal ...horizontal canal type is classified as direction-changing ...
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Semicircular canal morphogenesis in the zebrafish inner ear requires the function of gpr126 (lauscher), an adhesion class G protein-coupled receptor gene.
... the canal projections in Xenopus and zebrafish is driven by ECM production, in particular of the glycosaminoglycan hyaluronan (HA) (Haddon and Lewis, 1991; Busch-Nentwich et ...zebrafish canal projections, ...
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Plasma membrane calcium ATPase required for semicircular canal formation and otolith growth in the zebrafish inner ear
... semicircular canal formation are conserved among vertebrates (Haddon and Lewis, ...the semicircular canals by reducing the secretion of hyaluronan-rich matrix (Haddon and Lewis, ...in ...
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The relationship of head movements to semicircular canal size in cetaceans
... a semicircular canal has been shown experimentally to have a positive linear correlation to its sensitivity and a negative linear correlation to its operating range (Yang and Hullar, ...the canal, ...
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The Activity of the Horizontal Semicircular Canal of the Dogfish, Scyllium canicula
... The Activity of the Horizontal Semicircular Canal of the Dogfish 425 such very slight excursions of the head produce a strong increase and decrease in the spontaneous discharge on ipsila[r] ...
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Sodium selectivity of semicircular canal duct epithelial cells
... Background: Sodium absorption by semicircular canal duct (SCCD) epithelial cells is thought to contribute to the homeostasis of the volume of vestibular endolymph. It was previously shown that the ...
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Divergent roles for Wnt/β catenin signaling in epithelial maintenance and breakdown during semicircular canal formation
... vertical canal pouch, with patchy expression detected in the endolymphatic duct and horizontal canal pouch ...the canal pouch epithelium and was not detected in the surrounding mesenchyme ...vertical ...
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The Mechanics of the Growing Semicircular Canal
... It seems reasonable to conclude on the basis of the growth effects on the phase and amplitude diagrams of the horizontal vestibulo-ocular reflex of the growing pike that the proposed mec[r] ...
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Distinct functions for netrin 1 in chicken and murine semicircular canal morphogenesis
... Fig. 6. Overexpression of cNtn1-Myc arrests fusion. Immunostaining and in situ hybridization of E6.25 tissue sections. (A,B,E,F) DAPI (white) labels cell nuclei and GFP (green) identifies electroporated cells. (C,D,G,H) ...
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Effect of barbecue role and Gufoni maneuvers on quality of life in patients with horizontal semicircular canal benign paroxysmal positional vertigo
... Present study was carried out between August 2014 to December 2017 after approval from ethical committee at Geetanjali Medical College and Hospital, Udaipur. It was a longitudinal study, where total 60 individuals were ...
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Anatomic Malformations of the Middle and Inner Ear in 22q11 2 Deletion Syndrome: Case Series and Literature Review
... In 17 ears (33%) (11 patients), the bony island of the LSCC was small (Fig 4), measuring between 2.6 and 1.1 mm. No evidence of widening of the vestibule was observed, including in the ears with a small bony island (the ...
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Normative vestibulo-ocular reflex data in yaw and pitch axes using the video head-impulse test
... Taking the previous information into account, a video system that allows for the precise and simultaneous recording of head and eye velocity will provide the possibility to calculate the gain of the VOR and to ...
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