1. A muscle fiber typically has only one endplate, and each endplate potential has an amplitude greater than the threshold level of depolarization. Central neurons have hundreds and thousands of synapses, and the EPSP of individual synapses does not reach the threshold level. What is the physiological significance of these differences?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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1. A muscle fiber typically has only one endplate, and each
endplate potential has an amplitude greater than the threshold
level of depolarization. Central neurons have hundreds and
thousands of synapses, and the EPSP of individual synapses
does not reach the threshold level. What is the physiological
significance of these differences?
Transcribed Image Text:1. A muscle fiber typically has only one endplate, and each endplate potential has an amplitude greater than the threshold level of depolarization. Central neurons have hundreds and thousands of synapses, and the EPSP of individual synapses does not reach the threshold level. What is the physiological significance of these differences?
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