- muscle fiber action potential
- the action potential recorded on a muscle fiber spreading in both directions away from the plate region to initiate a contraction; see also single fiber electromyography.
Medical dictionary. 2011.
muscle fiber action potential
Look at other dictionaries:
action potential — n a momentary reversal in the potential difference across a plasma membrane (as of a nerve cell or muscle fiber) that occurs when a cell has been activated by a stimulus called also spike potential compare RESTING POTENTIAL see afterpotential … Medical dictionary
Compound muscle action potential — The compound muscle action potential (CMAP) or compound motor action potential is a electromyography investigation (electrical study of muscle function). The CMAP represents the sumation of all underlying individual muscle fiber action potentials … Wikipedia
Action potential — In physiology, an action potential is a short lasting event in which the electrical membrane potential of a cell rapidly rises and falls, following a consistent trajectory. Action potentials occur in several types of animal cells, called… … Wikipedia
action potential — Physiol. the change in electrical potential that occurs between the inside and outside of a nerve or muscle fiber when it is stimulated, serving to transmit nerve signals. Cf. nerve impulse. [1925 30] * * * Brief (about one thousandth of a… … Universalium
action potential — noun Date: 1926 a momentary reversal in electrical potential across a plasma membrane (as of a nerve cell or muscle fiber) that occurs when a cell has been activated by a stimulus … New Collegiate Dictionary
action potential — noun A short term change in the electrical potential that travels along a cell such as a nerve or muscle fiber … Wiktionary
action potential — ac′tion poten tial n. phl the change in electrical potential that occurs between the inside and outside of a nerve or muscle fiber when it is stimulated, serving to transmit nerve signals Compare nerve impulse … From formal English to slang
Quantitative models of the action potential — In neurophysiology, several mathematical models of the action potential have been developed, which fall into two basic types. The first type seeks to model the experimental data quantitatively, i.e., to reproduce the measurements of current and… … Wikipedia
Muscle spindle — Latin fusus neuromuscularis Code TH H3.11.06.0.00018 Muscle spindles are sensory receptors within the belly of a muscle, which primarily detect changes in the length of this muscle. They convey length information to the central nervous system via … Wikipedia
Muscle fatigue — is the decline in ability of a muscle to generate force. It can be a result of vigorous exercise but abnormal fatigue may be caused by barriers to or interference with the different stages of muscle contraction. There are two main causes of… … Wikipedia
