نتایج جستجو برای: nerve fiber
تعداد نتایج: 282742 فیلتر نتایج به سال:
The nerve fiber distribution in the oral mucosa of the soft palate and palatoglossal arch of the rat was studied by means of methylene blue supravital staining. It was focused primarily on the dye uptake of intraepithelial nerve fibers. Differences in the morphology of nerve fiber terminations were found between these regions of the oral mucosa. In the soft palate, local accumulations of intrae...
The nerve fiber layer of several species of primate has been studied with Golgi silver impregnations and Nissl stains. The morphology, distribution, and density of fibrous astrocytes of the nerve fiber layer are described. Two classes of astrocytes are distinguished: elongated cells whose processes parallel the nerve fiber bundles and cover a rectangular area more than two time longer than wide...
BACKGROUND Systemic lupus erythematosus (SLE) is an inflammatory, autoimmune, multiorgan disease often involving the central and peripheral nervous systems. OBJECTIVE To determine whether there is a selective small-diameter nerve fiber neuropathy in patients with SLE. DESIGN Cross-sectional study. SETTING Stavanger University Hospital, Stavanger, Norway. Patients Sixty patients with SLE, ...
BACKGROUND For diagnosis and follow-up of glaucoma an exact evaluation of the optic nerve disc and the nerve fiber layer is necessary. METHODS The slit-lamp evaluation of the optic nerve disc and nerve fiber layer is presented as well as the evaluation with the Nerve Fiber Analyzer and the Heidelberg Retina Tomograph. RESULTS Signs of a glaucomatous optic disc include a difference of more t...
Background and Objective: Ischemia plays a major role in development of pathological changes in various neuropathies. Reperfusion amplifies physiological and pathological abnormalities in ischemic nerves. In this research, we studied ischemic-reperfusion (IR) injury of sciatic nerve up to 14 days of reperfusion. Materials & Methods: IR was produced by ligation and release of nooses around suppl...
introduction: schawannomas (neuromas, neurilemmomas) are benign tumors originating from showann cells or nerve fiber sheet cells. they are solitary, encapsulated tumors usually attached to, or surrounded by a nerve. case report: we present a case of left hypoglossal nerve schwannoma in a 19 year old man who was admitted with progressive left tongue atrophy. conclusion: schwannoma of the hypoglo...
PURPOSE To evaluate the retinal nerve fiber layer measurements with time-domain (TD) and spectral-domain (SD) optical coherence tomography (OCT), and to test the diagnostic ability of both technologies in glaucomatous patients with asymmetric visual hemifield loss. METHODS 36 patients with primary open-angle glaucoma with visual field loss in one hemifield (affected) and absent loss in the ot...
INTRODUCTION Optical coherence tomography is a technology that allows obtaining high resolution images of tissues in vivo, enabling the measurement of ocular structures, including the retinal nerve fiber layer and macular thickness. As a noninvasive test it's particularly useful in children, but its applicability is limited by the existence of normative values for adults only. PURPOSE To esta...
We investigated the relationship between the peripapillary retinal nerve fiber layer and peripapillary retinal thickness in patients with diabetic macular edema. Fifty eyes (group I) with non-proliferative diabetic retinopathy and diabetic macular edema receiving intravitreal anti-VEGF injection, and 90 eyes (group II) without diabetic macular edema were included in this case-control study. The...
BACKGROUND To find the correlations and differences between the nerve fiber layer parameters of a GDx (polarimetric retinal nerve fiber analyzer) in single high quality images and those in the mean image from three high quality images. METHODS The results of scanning laser polarimetry were selected from 63 eyes of 63 patients (31 male and 32 female). Complete ophthalmic examinations included ...
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