| motor unit |
A motor unit is a single motor neuron and the corresponding muscle fibers it innervates; groups of motor units work together, as a single muscle. The number of muscle fibers within each unit can vary: thigh muscles can have a thousand fibers in each unit, eye muscles might have ten. In general, the number of muscle fibers innervated by a motor unit is a function of a muscle's need for refined motion. ...
출처: en.wikipedia.org/wiki/Motor_unit
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| motor cortex |
Back in the 1940s, Canadian neurosurgeon Wilder Penfield wanted to know which bits of epileptic's brains he could suck out without them noticing. To work out which were the really important bits of cortex he electrically stimulated the cortical surface and observed the results. He found that stimulation of Brodmann's area 4 readily elicited localised muscle twitches. Furthermore there appeared to be a “motor map” of the body surface along the gyrus that comprises area 4. ...
출처: en.wikipedia.org/wiki/Motor_cortex
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| motor |
In medicine, having to do with the movement of body parts.
출처: www.stjude.org/glossary
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| motor aphasia |
aphasia in which there is impairment of the ability to speak and write, owing to a lesion in the insula and surrounding operculum, including Broca's motor speech area. The patient understands many written and spoken words but has difficulty uttering the words. Cf. receptive a. Called also Broca's a., expressive a., frontocortical a., nonfluent a., and logaphasia.
출처: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
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| motor neuron disease |
degeneration of the nerves in the spinal cord and brain that are responsible for muscle movement, causing weakness and muscle deterioration
출처: www.american-depot.com/services/resources_gl_m.asp
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