Academic literature on the topic 'Flocculi'

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Journal articles on the topic "Flocculi"

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Cheron, G., S. Saussez, N. Gerrits, and E. Godaux. "Existence in the nucleus incertus of the cat of horizontal-eye-movement-related neurons projecting to the cerebellar flocculus." Journal of Neurophysiology 74, no. 3 (1995): 1367–72. http://dx.doi.org/10.1152/jn.1995.74.3.1367.

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1. Properties of nucleus incertus (NIC) neurons projecting to the cerebellar flocculus were studied in alert cats by using chronic unit and eye movement recording and antidromic activation. Projection of these neurons onto the flocculus was verified with retrograde transport of horseradish peroxidase after injections in the flocculus. 2. Bipolar stimulation electrodes were implanted into the "middle" zone of each flocculus because this zone is known to be involved in the control of horizontal eye movements. The dorsomedial aspect of the pontine tegmentum was explored with microelectrodes durin
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Mori, Yuka, Noriyasu Hashida, Kazunobu Asao, Kazuichi Maruyama, and Kohji Nishida. "Chronological Observations of Iris Flocculi in a Japanese Family with Thoracic Aortic Aneurysm and Dissections." Case Reports in Ophthalmology 10, no. 3 (2019): 397–402. http://dx.doi.org/10.1159/000504432.

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Iris flocculi, a type of hereditary iris pigment epithelial cyst, have been reported in association with smooth muscle α-2 actin (ACTA2) gene as the causative gene of familial thoracic aortic aneurysm and dissections (FTAAD). The purpose of the report was to examine morphological changes in the shape of flocculi and iris features over time by comparing infants to adults with FTAAD combined with iris flocculi. A Japanese family with FTAAD and bilateral iris flocculi and the Arg149Cys gene mutation was included. A slit-lamp photograph and anterior segment optical coherence tomography (AS-OCT) we
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Escudero, M., G. Cheron, and E. Godaux. "Discharge properties of brain stem neurons projecting to the flocculus in the alert cat. II. Prepositus hypoglossal nucleus." Journal of Neurophysiology 76, no. 3 (1996): 1775–85. http://dx.doi.org/10.1152/jn.1996.76.3.1775.

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1. The aim of this study was to characterize the signals transmitted by the neurons of the nucleus prepositus hypoglossal (NPH) to the middle zone of the flocculus of the cat. The methods, the behavioral testing, and the animals used in this study were the same as those used in the accompanying paper on medial vestibular nucleus neurons. 2. The rostral two-thirds of the NPH was explored in alert animals with microelectrodes during stimulation of the middle zone of both flocculi. Discharges of neurons were analyzed during spontaneous eye movements (head fixed) and during horizontal vestibuloocu
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Kantyukova, L. A., and G. R. Altynbaeva. "Clinical case of congenital abnormality of the iris floccula eye vasculature." Modern technologies in ophtalmology, no. 2 (June 15, 2021): 177–79. http://dx.doi.org/10.25276/2312-4911-2021-2-177-179.

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Purpose. Description of a clinical case of an iris floccule in a girl of 17 years old. Material and methods. 17-year-old patient who complained about a decrease in vision of the right eye and a change in the shape of the pupil. she was examined by visimetry, biomicroscopy, tonometry, ophthalmoscopy. 3 years ago she was consulted at the ophthalmology center, where there was revealed lysoriness and changes in the eyes. No surgical or laser treatment has been proposed. Changes in the area of pupil's parents noticed in early childhood, in the last 3 years the changes increased. Result. The patient
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Weissman, Heather M., and Jill R. Wells. "Iris Flocculi." JAMA Ophthalmology 132, no. 8 (2014): 935. http://dx.doi.org/10.1001/jamaophthalmol.2013.7750.

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Arestova, Nataliya Nikolaevna, L. A. Katargina, and R. V. Kalinichenko. "The laser-assisted treatment of iris flocculi in the children." Russian Pediatric Ophthalmology 10, no. 3 (2015): 41–43. https://doi.org/10.17816/rpoj37705.

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The authors describe two cases of papillary margin flocculi in the children and the results of their successful laser-assisted treatment. It was shown that papillary margin flocculi can obstruct the area of the pupil and thereby cause obscurity and visual impairment in the children. The application of a YAG-laser for the drainage and destruction of papillary margin flocculi measuring up to 4-6 mm makes it possible to significantly reduce the size of the flocculi. Elimination of their protrusion into the pupil area clears the optically significant region and thereby improves visual acuity witho
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Yangzes, S., A. Gupta, A. Thakur, and S. Handa. "Congenital iris flocculi." QJM: An International Journal of Medicine 113, no. 1 (2019): 63. http://dx.doi.org/10.1093/qjmed/hcz113.

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Taubenslag, Kenneth J., Hannah L. Scanga, Jennifer Huey, et al. "Iris anomalies and the incidence of ACTA2 mutation." British Journal of Ophthalmology 103, no. 4 (2018): 499–503. http://dx.doi.org/10.1136/bjophthalmol-2018-312306.

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BackgroundCentral cysts of the iris pigment epithelium, or iris flocculi, are frequently reported in the literature in association with thoracic aortic aneurysm and dissection due to smooth muscle alpha-actin 2 (ACTA2) mutations. Children with ACTA2 mutations may also present with congenital mydriasis. We report our experience regarding the frequency of ACTA2 mutation in children with the above iris anomalies.MethodsThis is a retrospective, consecutive case series of all children presenting for iris flocculi or congenital mydriasis at a single tertiary centre from October 2012 to December 2016
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Gorczyca, B., and J. Ganczarczyk. "Structure and Porosity of Alum Coagulation Flocs." Water Quality Research Journal 34, no. 4 (1999): 653–66. http://dx.doi.org/10.2166/wqrj.1999.034.

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Abstract It is generally assumed that flocs grow according to the following model: primary particles form compact flocculi which assemble themselves into microflocs. Microflocs bind together to form floc aggregates. The main difference between flocculi, microflocs and floc aggregates is their structure. Porosity can be used to indicate differences in this structure. The objective of this study was to establish whether alum flocs disperse into floc components that represent different structures, as indicated by different porosities. Alum coagulation floes were broken up with increasing amounts
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Cheron, G., M. Escudero, and E. Godaux. "Discharge properties of brain stem neurons projecting to the flocculus in the alert cat. I. Medical vestibular nucleus." Journal of Neurophysiology 76, no. 3 (1996): 1759–74. http://dx.doi.org/10.1152/jn.1996.76.3.1759.

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1. The aim of this study was to characterize the signals transmitted by neurons of the medial vestibular nucleus (MVN) to the middle zone of the flocculus in alert cats. 2. Bipolar stimulating electrodes were implanted into the middle zone of each flocculus, because this zone is known to be involved in the control of horizontal eye movements. Correct implantation of the stimulating electrodes was ensured by 1) recording of Purkinje cells whose activity was related to horizontal eye movements and 2) elicitation of slow abduction of the ipsilateral eye upon electrical stimulation. 3. The rostral
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Dissertations / Theses on the topic "Flocculi"

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Coma, Bech Marta. "Biological nutrient removal in SBR technology: from floccular to granular sludge." Doctoral thesis, Universitat de Girona, 2011. http://hdl.handle.net/10803/32025.

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Biological nutrient removal has been studied and applied for decades in order to remove nitrogen and phosphorus from wastewater. However, more anthropogenic uses and the continued demand for water have forced the facilities to operate at their maximum capacity. Therefore, the goal of this thesis is to obtain more compact systems for nutrient removal from domestic wastewater. In this sense, optimization and long-term stabilization of high volume exchange ratios reactors, treating higher volumes of wastewater, have been investigated. With the same target, aerobic granular sludge was proposed as
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Шкоп, А. О. "Закономірності процесів розділення шламових вод з полідисперсною твердою фазою в осаджувальних центрифугах". Thesis, Сумський державний університет, 2017. http://essuir.sumdu.edu.ua/handle/123456789/52408.

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Дисертаційну роботу присвячено виявленню закономірностей процесів розділення шламових вод з полідисперсною твердою фазою в осаджувальних центрифугах. В роботі всебічно досліджено вплив концентрації і дисперсного складу на міцність флокул при механічному впливі. Встановлено, що залишкова швидкість осадження флокул після механічного впливу при постійній витраті флокулянта має найбільше значення при концентрації твердої фази в шламі в інтервалі 7 – 30 г/дм3. Найкращі результати у всіх дослідах отримані при концентрації твердої фази, яка дорівнює 10 г/дм3. Виявлено, що при концентрації до 7 г/дм
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Lima, Maldonado Igor. "Vers une anatomie fonctionnelle de la substance blanche cérébrale chez l'homme : Étude par dissection de fibres et électrostimulation des voies du langage." Thesis, Montpellier 2, 2011. http://www.theses.fr/2011MON20137/document.

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La connaissance de la forme et de la fonction des faisceaux d'association aide à la modélisation des réseaux cognitifs, sert au développement d'abords neurochirurgicaux et à l'interprétation de la neuro-imagerie. Nous avons employé une approche hybride anatomique et neurophysiologique dont l'objectif principal a été la caractérisation des sous-parties du complexe faisceau longitudinal supérieur / faisceau arqué (FLS/FA) et de leur participation dans les fonctions langagières articulatoire, phonologique et sémantique. Soixante-huit hémisphères cérébraux ont été préparés par une variante de la t
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Cardoso, Sérgio Filipe Ferreira. "On the function of the floccular complex of the vertebrate cerebellum: implications in paleoneuroanatomy." Master's thesis, 2015. http://hdl.handle.net/10362/16524.

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The cerebellum floccular complex lobes (FCLs) are housed in the FCL fossa of the periotic complex. There is experimental evidence indicating that the FCLs integrate visual and vestibular information, responsible for the vestibulo-ocular reflex, vestibulo-collic reflex, smooth pursuit and gaze holding. Thus, the behavior of extinct animals has been correlated with FCLs dimension in multiple paleoneuroanatomy studies. Here I analyzed braincase endocasts of a representative sample of Mammalia (48 species) and Aves (59 species) rendered using tomography and image segmentation and tested statistic
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Belton, Timothy. "The role of vestibular signals in the floccular region of the squirrel monkey in vestibulo-ocular reflex control /." 1999. http://wwwlib.umi.com/dissertations/fullcit/9920133.

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Books on the topic "Flocculi"

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Peterson, Michael J. Development of a method for inactivation of cerebellar flocculus region neurons using the AMPA-kainate antagonist CNQX and the effects of inactivation on motor memory in the vestibulo-ocular reflex. National Library of Canada, 2003.

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Hale, George Ellery. Rotation Period of the Sun As Determined from the Motion of the Calcium Flocculi. Creative Media Partners, LLC, 2018.

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Rotation Period of the Sun As Determined from the Motion of the Calcium Flocculi. Creative Media Partners, LLC, 2023.

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Rotation Period of the Sun As Determined from the Motion of the Calcium Flocculi. Creative Media Partners, LLC, 2023.

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Book chapters on the topic "Flocculi"

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Labille, Jérôme, Natalia Pelinovskaya, Céline Botta, et al. "Floccules." In Encyclopedia of Nanotechnology. Springer Netherlands, 2012. http://dx.doi.org/10.1007/978-90-481-9751-4_100255.

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McKinney, Alexander M. "Cerebellar Flocculus Pseudomass." In Atlas of Normal Imaging Variations of the Brain, Skull, and Craniocervical Vasculature. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-39790-0_3.

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Maekawa, Hiromi, and Kaoru Takegawa. "Yeast Flocculin: Methods for Quantitative Analysis of Flocculation in Yeast Cells." In Methods in Molecular Biology. Springer US, 2020. http://dx.doi.org/10.1007/978-1-0716-0430-4_42.

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Graf, W., J. I. Simpson, and C. S. Leonard. "A Synthesis of Input-Output Relationships of the Rabbit Flocculus." In The Olivocerebellar System in Motor Control. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73920-0_32.

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Simpson, John I., Johannes Van der Steen, and Joep Tan. "Eye Movements and the Zonal Structure of the Rabbit Flocculus." In The Cerebellum Revisited. Springer US, 1992. http://dx.doi.org/10.1007/978-1-4612-2840-0_13.

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Maekawa, K., T. Takeda, M. Kano, and M. Kusunoki. "Collateralized Climbing Fiber Projection to the Flocculus and the Nodulus of the Rabbit." In The Olivocerebellar System in Motor Control. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73920-0_4.

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De Zeeuw, Chris I., Sebastiaan K. E. Koekkoek, Arjan M. van Alphen, et al. "Gain and Phase Control of Compensatory Eye Movements by the Flocculus of the Vestibulocerebellum." In The Vestibular System. Springer New York, 2004. http://dx.doi.org/10.1007/0-387-21567-0_9.

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Stone, L. S., and S. G. Lisberger. "Synergistic Action of Complex and Simple Spikes in the Monkey Flocculus in the Control of Smooth-Pursuit Eye Movement." In The Olivocerebellar System in Motor Control. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73920-0_29.

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Gerrits, N. M., and J. Voogd. "The Topographical Organization of Climbing and Mossy Fiber Afferents in the Flocculus and the Ventral Paraflocculus in Rabbit, Cat and Monkey." In The Olivocerebellar System in Motor Control. Springer Berlin Heidelberg, 1989. http://dx.doi.org/10.1007/978-3-642-73920-0_3.

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"floccule." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_61562.

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Conference papers on the topic "Flocculi"

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Rubanov, Yury, Yury Rubanov, Yulia Tokach, et al. "CLEANING UP EMERGENCY OIL SPILLS FROM THE WATER SURFACE WITH MAGNETIC ADSORBENTS." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b93c71c15e4.50364588.

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There was suggested a method of obtaining a complex adsorbent with magnetic properties for the oil spill clean-up from the water surface by means of controlled magnetic field. As magnetic filler a finely-dispersed iron-ore concentrate in the form of magnetite, obtained by wet magnetic separation of crushed iron ore, was suggested. As an adsorbing component the disintegrating electric-furnace steelmaking slag, obtained by dry air-cooling method, was selected. The mass ratio of components slag:magnetite is 1(1,5÷2,0). For cleaning up emergency oil spills with the suggested magnetic adsorbent a f
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Rubanov, Yury, Yury Rubanov, Yulia Tokach, et al. "CLEANING UP EMERGENCY OIL SPILLS FROM THE WATER SURFACE WITH MAGNETIC ADSORBENTS." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b4315da403d.

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There was suggested a method of obtaining a complex adsorbent with magnetic properties for the oil spill clean-up from the water surface by means of controlled magnetic field. As magnetic filler a finely-dispersed iron-ore concentrate in the form of magnetite, obtained by wet magnetic separation of crushed iron ore, was suggested. As an adsorbing component the disintegrating electric-furnace steelmaking slag, obtained by dry air-cooling method, was selected. The mass ratio of components slag:magnetite is 1(1,5÷2,0). For cleaning up emergency oil spills with the suggested magnetic adsorbent a f
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Konno, Keina, and Yasuaki Kakehi. "living floccus." In ACM SIGGRAPH 2012 Posters. ACM Press, 2012. http://dx.doi.org/10.1145/2342896.2342916.

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Kowalski, Haley R., Justin Cottrell, Mari Hagiwara, and Sean O. McMenomey. "Cerebellar Flocculus Pseudomass Protruding into the Internal Auditory Canal." In 33rd Annual Meeting North American Skull Base Society. Georg Thieme Verlag KG, 2024. http://dx.doi.org/10.1055/s-0044-1780236.

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LIU, KE-AN, XI-LIAN WANG, BO HAN, JIA-QI LIU, and HONG-BIN ZHAO. "INVERSE RADIUS OF BIOLOGICAL FLOCCULUS IN THE REACTOR OF THE WATER DECONTAMINATION." In Proceedings of the International Conference on Inverse Problems. WORLD SCIENTIFIC, 2003. http://dx.doi.org/10.1142/9789812704924_0033.

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Lin, Zhu. "Study on the treatment of oily wastewater by natural organic polymer modified flocculan." In 2017 3rd International Forum on Energy, Environment Science and Materials (IFEESM 2017). Atlantis Press, 2018. http://dx.doi.org/10.2991/ifeesm-17.2018.345.

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Morkun, Volodymyr, Vitaliy Tron, and Ravinskaia Vita. "Optimization of high-energy ultrasound source parameters for cavitation disintegration of ore floccules before floatation." In 2017 IEEE International Young Scientists' Forum on Applied Physics and Engineering (YSF). IEEE, 2017. http://dx.doi.org/10.1109/ysf.2017.8126597.

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Ximenes, Marcelo Tognato, Dan Mohamed Salman, Francisco Tomaz Meneses de Oliveira, and Rubens José Gagliardi. "Downbeat Nystagmus Secondary to Chiari I Malformation." In XIII Congresso Paulista de Neurologia. Zeppelini Editorial e Comunicação, 2021. http://dx.doi.org/10.5327/1516-3180.374.

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Context: Downbeat nystagmus are characterized by the rapid phase in the down direction in primary position of the eyes, in the most cases represents a cerebellar dysfunction, typically with injuries involving vestibulocerebellum (flocculus, paraflocculus, nodule and uvula), although most cases are due to primary lesions in the brain stem, usually involving paramedian tracts. This type of nystagmus is characteristic of craniocervical abnormalities, such as Chiari 1 malformation, also being seen in a wide variety of cerebellar diseases, including degenerative etiologies, toxic-metabolic and isch
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