Results 11 to 20 of about 2,195 (192)

Normal Serum Levels of Otolin-1 in Patients with Meniere Disease in Remission

International Archives of Otorhinolaryngology, 2023
Introduction Degenerative changes in the otolithic organs have been theorized to be caused by the mechanical obstruction to endolymphatic flow, possibly resulting in endolymphatic hydrops (ELH).
Anup Singh, Harsha Yadav, Hitesh Verma, Kapil Sikka, Ransi Ann Abraham, David Victor Kumar Irugu   +5 more
doaj   +1 more source

Coupling and elastic loading affect the active response by the inner ear hair cell bundles. [PDF]

PLoS ONE, 2012
Active hair bundle motility has been proposed to underlie the amplification mechanism in the auditory endorgans of non-mammals and in the vestibular systems of all vertebrates, and to constitute a crucial component of cochlear amplification in mammals ...
Clark Elliott Strimbu, Lea Fredrickson-Hemsing, Dolores Bozovic   +2 more
doaj   +1 more source

A Show of Ewald's Law: I Horizontal Semicircular Canal Benign Paroxysmal Positional Vertigo

Frontiers in Neurology, 2021
Objective: To evaluate horizontal semicircular canal (HSC) effects according to Ewald's law and nystagmus characteristics of horizontal semicircular canal benign paroxysmal positional vertigo (HSC-BPPV) in the supine roll test.Methods: Patients with HSC ...
Xueqing Zhang, Xueqing Zhang, Xueqing Zhang, Xueqing Zhang, Xueqing Zhang, Yanru Bai, Taisheng Chen, Taisheng Chen, Taisheng Chen, Taisheng Chen, Taisheng Chen, Wei Wang, Wei Wang, Wei Wang, Wei Wang, Wei Wang, Xi Han, Xi Han, Xi Han, Xi Han, Xi Han, Shanshan Li, Shanshan Li, Shanshan Li, Shanshan Li, Shanshan Li, Qiang Liu, Qiang Liu, Qiang Liu, Qiang Liu, Qiang Liu, Chao Wen, Chao Wen, Chao Wen, Chao Wen, Chao Wen   +35 more
doaj   +1 more source

Therapy-Resistant Atypical Downbeat Nystagmus with Vertigo Confined to Specific Head-Hanging Positions: Mapping to the Gravity Vector on a Multi-Axis Turntable

Case Reports in Neurology, 2021
Downbeat nystagmus (DBN) observed in head-hanging positions, may be of central or peripheral origin. Central DBN in head-hanging positions is mostly due to a disorder of the vestibulo-cerebellum, whereas peripheral DBN is usually attributed to ...
Dominik Péus, Dominik Straumann, Alexander Huber, Christopher J. Bockisch, Vincent Wettstein   +4 more
doaj   +1 more source

Presence of chondroitin sulphate and requirement for heparan sulphate biosynthesis in the developing zebrafish inner ear

Frontiers in Cell and Developmental Biology, 2022
Epithelial morphogenesis to form the semicircular canal ducts of the zebrafish inner ear depends on the production of the large glycosaminoglycan hyaluronan, which is thought to contribute to the driving force that pushes projections of epithelium into ...
Ana A. Jones, Elvira Diamantopoulou, Sarah Baxendale, Tanya T. Whitfield   +3 more
doaj   +1 more source

Central projections of auditory nerve fibers in the western rat snake (Pantherophis obsoletus)

Journal of Comparative Neurology, Volume 531, Issue 12, Page 1261-1273, August 2023., 2023
The western rat snake does not have a tympanum but is able to detect low‐frequency vibrations. Using tract tracing, we found that auditory nerve fibers of the western rat snake project to two distinct cochlear nuclei, consistent with other reptiles. Auditory pathways are present despite loss of sensitivity to airborne sound.
Dawei Han, Catherine E. Carr
wiley   +1 more source

Assessment of semicircular canal function in benign paroxysmal positional vertigo using the video head impulse test and caloric test

Laryngoscope Investigative Otolaryngology, Volume 8, Issue 2, Page 525-531, April 2023., 2023
The VOR gain of vHIT in the affected canal was significantly smaller than that in the contralateral canal in p‐BPPV, but not in h‐BPPV. The caloric responses of the affected canal are reduced to a significantly larger extent in h‐BPPV compared to p‐BPPV.
Kayoko Kabaya, Sachiyo Katsumi, Akina Fukushima, Shinichi Esaki, Toshiya Minakata, Shinichi Iwasaki   +5 more
wiley   +1 more source

Cupulolithiasis: A Critical Reappraisal

OTO Open, Volume 7, Issue 1, January–March 2023., 2023
Abstract Objective To review the history and pathophysiologic theories for cupulolithiasis and canalith jam in benign paroxysmal positional vertigo. Data Sources PubMed, Google Scholar. Review Methods Three PubMed and Google Scholar searches were performed, keywords: “cupulolithiasis,” “apogeotropic [and] benign,” and “canalith jam,” resulting in 187 ...
Olivia Kalmanson, Carol A. Foster
wiley   +1 more source

The heterogeneity of mammalian utricular cells over the course of development

Clinical and Translational Medicine, Volume 12, Issue 10, October 2022., 2022
Single‐cell RNA‐seq identified several cell clusters in whole mouse utricle sensory epithelia from the neonatal period to adulthood. New HCs mainly differentiated from Sox9 progenitor cells, and only a few were produced by mitotic proliferation. Ubch10 cells could generate HCs mitotically in adulthood.
Dan You, Jin Guo, Yunzhong Zhang, Luo Guo, Xiaoling Lu, Xinsheng Huang, Shan Sun, Huawei Li   +7 more
wiley   +1 more source

Cerebellar Syndrome From Proton Pump Inhibitor-Induced Hypomagnesemia: Two Reversible but Relapsing Cases. [PDF]

Case Rep Otolaryngol
Introduction Cerebellar syndromes are rare yet potentially serious presentations in the emergency department, requiring timely diagnosis and intervention. The differential diagnosis is wide, encompassing stroke, multiple sclerosis, toxic reactions, and metabolic imbalances such as hypomagnesemia.
Léonard V, Gevers B, Van Damme JP, Garin P, Hardy M.   +4 more
europepmc   +2 more sources