Cochlear duct
Myosin II regulates extension, growth and patterning in the mammalian cochlear duct
... Fig. 5. Inhibition of myosin II activity disrupts cochlear CE. (A) Outgrowth of the sensory epithelium was assayed by cutting the intact cochlear duct at its midpoint and then maintaining the basal ...
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An automated A-value measurement tool for accurate cochlear duct length estimation
... the cochlear duct length (CDL) for preoperative cochlear implant electrode selection and postoperative generation of patient-specific frequency ...
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Measuring Cochlear Duct Length – a historical analysis of methods and results
... Background: Cochlear Duct Length (CDL) has been an important measure for the development and advancement of cochlear implants. Emerging literature has shown CDL can be used in preoperative settings ...
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Otx2 is a target of N myc and acts as a suppressor of sensory development in the mammalian cochlea
... Transcriptional regulatory networks are essential during the formation and differentiation of organs. The transcription factor N-myc is required for proper morphogenesis of the cochlea and to control correct patterning ...
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Added Value of MDCT in Cochlear Parameters Assessment in Patients with Sensory Neural Hearing Loss Candidates for Cochlear Implantation
... in cochlear size which may help in selection of the best cochlear implant electrode length and may also influence the insertion depth angles of the electrode ...the cochlear distance (diameter A) ...
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Large vestibular aqueduct and congenital sensorineural hearing loss
... The bony canal of the cochlea takes about two turns and three-quarters round the modiolus 1 With further development, the epithelial cells of the cochlear duct form two ridges: the inne[r] ...
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Fgf3 is required for dorsal patterning and morphogenesis of the inner ear epithelium
... for cochlear development was largely unperturbed, it is likely that the gross distortion of cochlear development was secondary to the effects on EDS and dorsal ...the cochlear duct), similar ...
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Cone beam CT for perioperative imaging in hearing preservation Cochlear implantation – a human cadaveric study
... the cochlear implant array ’ s precise position is important because of the correlation between electrode position and speech ...and cochlear duct length (CDL); all of which are being used for ...
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SOX2 is required for inner ear growth and cochlear nonsensory formation before sensory development
... of cochlear floor expression of tdT/SOX2 ...the cochlear floor, including the organ of Corti, in all turns except the extreme apical region ...the cochlear floor in both apical turns, became more ...
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MR Imaging of the Enlarged Endolymphatic Duct and Sac Syndrome by Use of a 3D Fast Asymmetric Spin echo Sequence: Volume and Signal intensity Measurement of the Endolymphatic Duct and Sac and Area Measurement of the Cochlear Modiolus
... the cochlear duct through a widely patent EED, causing osmotic damage to the neuroepithelium (6– 8, ...the cochlear modiolus, and signal intensity of the EES, as determined by 3D Fourier ...
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Assessment of hearing loss in high risk individuals using high frequency pure tone audiometry.
... Inner ear lies in the petrous part of temporal bone. Bony Labyrinth consists of cochlea, vestibule, saccule and membranous labyrinth lies within the bony labyrinth. It consists of cochlear duct, utricle, ...
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Shaping sound in space: the regulation of inner ear patterning
... Fig. 3. Dorsoventral axial patterning during inner ear development. (A) At E9.5, the mouse otocyst is positioned to receive secreted signals that originate asymmetrically from the adjacent hindbrain (hb) and notochord ...
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Evaluating and Improving Cochlear Length Measurements on Clinical Computed Tomography Images
... the cochlear duct length (CDL), defined as the distance from the round window to the helicotrema along the spiral shape of the ...the cochlear can be stimulated allowing for the creation of improved ...
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Anatomic Moment Hearing, I: The cochlea
... cochlear recess, which lies on the medial wall of the vestibule (Fig 3). As these sound waves enter the perilymph of the scala vestibuli, they are transmitted through the vestibular mem- brane into the endolymph ...
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Analysis of errors made on in utero MR studies of the foetal brain in the MERIDIAN study
... patent cochlear nerve; they could identify no more than 50% of the content words in pre-recorded sentences presented in quiet without lipreading when using hearing ...
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Click here to download PDF version of the article !
... Bile Duct (CBD) may actually be related to the underlying pancreatico-biliary malunion ...bile duct which is adjacent to its junction with the cystic ...hepatic duct and the cystic duct were ...
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The use of cochlear implantation
... Cochlear Implantation (CI) is a rapidly evolving health technology which restores useful forms of auditory sensation to people who are profoundly deaf, through electrical stimulation of the auditory nerve with ...
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High resolution temporal bone computerized tomography in paediatric sensorineural hearing loss prior to cochlear implantation
... Results: Eighteen patients had normal radiological scans and 6 had congenital anomalies. We had one each case of common cavity, bilateral labrynthine aplasia, incomplete partition type 1, Mondini’s deformity with dilated ...
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Mirizzi syndrome: A rare entity
... proposed a classification consisting of four different types: type I, in which an impacted gallstone leads to an extrinsic compression of the common bile duct (CBD); type II corresponds to a cholecysto-biliary ...
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Abstract This paper describes a predictive model for acoustic transverse transmission loss from ducts with flat oval configuration of
... flat-oval duct, because q is constant over the curved duct walls, but tends to infinity on the flat walls as shown in Figure ...the duct cross-section and Figure 2(b) shows the assumed variation of q ...
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