Myelinated nerve fibres in experimental diabetes: a reply to Bhoyrul and Sharma
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چکیده
منابع مشابه
Anode break excitation in single myelinated nerve fibres.
It has long been considered that anode break excitation (ABE) is not elicitable in normal isolated nerve fibres. Quite recently, one of the authors (Konishi, 1957) found that it was due to weakness of the current applied and that, if a strong current (more than ten times the rheobase) was used, a single fibre, too, gave readily ABE. The present paper deals chiefly with threshold conditions for ...
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Different equivalent circuits are presented to describe the capacity current, Ic, of potential-clamped Ranvier nodes. The corresponding transfer functions are discussed in examining the influence of the involved parameters on size and time course of Ic. The following results were obtained: i. The duration and the amplitude of Ic increased with increasing membrane capacity. ii. The amplitude of ...
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In three cases of chorea-acanthocytosis (acanthocytosis and neurological disease, or familial degeneration of the basal ganglia with acanthocytosis), biopsies of short peroneal muscles and sural nerves were studied histologically. The muscles showed groups of atrophic fibres with clumping of sarcolemmal nuclei in all cases. It was concluded that neurogenic muscular atrophy should be included as...
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-Calculation of the response of human myelinated sensory nerve fibres to spinal cord stimulation initiated the development of a fibre model based on electrophysiological and morphometric data for human sensory nerve fibres. The model encompasses a mathematical description of the kinetics of the nodal membrane, and a non-linear fibre geometry. Fine tuning of only a few, not well-established para...
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Atrophy of the nerve fibres in the retina visible by direct ophthalmoscopy using red-free illumination, together with corresponding scotomata in the visual fields, signified retrograde degeneration of retinal nerve fibres from multiple sclerosis. Defects in medullated retinal nerve fibres were continous with arcuate nerve fibre bundle defects. These myelin defects exemplify secondary demyelinat...
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ژورنال
عنوان ژورنال: Diabetologia
سال: 1986
ISSN: 0012-186X,1432-0428
DOI: 10.1007/bf00453502