motor

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motor

 [mo´ter]
1. pertaining to motion.
2. a muscle, nerve, or center that effects movements.

mo·tor

(mō'ter),
1. In anatomy and physiology, denoting neural structures, that because of the impulses generated and transmitted by them, cause muscle fibers or pigment cells to contract or glands to secrete.
See also: motor cortex, motor endplate, motor neuron.
2. In psychology, denoting the organism's overt reaction to a stimulus (motor response).
[L. a mover, fr. moveo, to move]

motor

/mo·tor/ (mōt´er)
1. a muscle, nerve, or center that effects or produces motion.
2. producing or subserving motion.

motor

(mō′tər)
adj.
1. Causing or producing motion.
2. Relating to or being nerves that carry impulses from the nerve centers to the muscles.
3. Involving or relating to movements of the muscles.
4. Relating to an organism's overt reaction to a stimulus.

motor

Etymology: L, movere, to move
1 pertaining to motion, the body apparatus involved in movement, or the brain functions that direct purposeful activities.
2 pertaining to a muscle, nerve, or brain center that produces or subserves motion.

aphasia

Dysphasia Neurology Partial or total inability to understand or create speech, writing, or language due to damage to the brain's speech centers; loss of a previously possessed facility of language comprehension or production unexplained by sensory or motor defects or diffuse cerebral dysfunction Etiology Stroke, brain disease, injury; anomia–nominal or amnesic aphasia and impaired ability to communicate by writing-agraphia are usually present in all forms of aphasia. See Broca's/Motor aphasia, Sensory/Wernicke's aphasia, Tactile aphasia.
Aphasia
Motor
Broca's aphasiaA primary deficit in language output or speech production, which ranges in severity from the mildest, cortical dysarthria, characterized by intact comprehension and ability to write, to a complete inability to communicate by lingual, phonetic, or manual activity
Sensory
Wernicke's aphasiaPts with sensory aphasia are voluble, gesticulate, and totally unaware of the total incoherency of their speech patterns; the words are nonsubstantive, malformed, inappropriate–paraphasia Sensory aphasia is characterized by 2 elements: Impaired speech comprehension–due largely to an inability to differentiate spoken and written phonemes–word elements-due to either involvement of the auditory association areas or separation from the 1º auditory complex Fluently articulated but paraphasic speech, which confirms the major role played by the auditory region in regulating language
Total
Global aphasia, complete aphasiaA form of aphasia caused by lesions that destroy significant amounts of brain tissue, eg occlusion of the middle cerebral or left internal carotid arteries, or tumors, hemorrhage, or other lesions; total aphasia is characterized by virtually complete impairment of speech and recognition thereof; afflicted Pts cannot read, write, or repeat what is said to them; although they may understand simple words or phrases, rapid fatigue and verbal and motor perseverence, they fail to carry out simple commands; total aphasia of vascular origin is almost invariably accompanied by right hemiplegia, hemianesthesia, hemianopia of varying intensity
.

mo·tor

(mō'tŏr)
1. anatomy, physiology Denoting those neural structures that, by the impulses generated and transmitted by them, cause muscle fibers or pigment cells to contract, or glands to secrete.
See also: motor cortex, motor endplate, motor neuron
2. psychology Denoting the overt reaction of an organism to a stimulus (motor response).
3. Pertaining to a set of skills involving movement or motion.
[L. a mover, fr. moveo, to move]

motor

1. Causing movement.
2. Carrying nerve impulses that stimulate muscles into contraction or cause other responses such as gland secretion. From the Latin movere , to move.

motor

relating to the stimulus of an EFFECTOR organ.

Motor

Of or pertaining to motion, the body apparatus involved in movement, or the brain functions that direct purposeful activity.

mo·tor

(mō'tŏr)
In anatomy and physiology, denoting those neural structures that, because of the impulses generated and transmitted by them, cause muscle fibers or pigment cells to contract or glands to secrete.
[L. a mover, fr. moveo, to move]

motor

1. pertaining to motion.
2. a muscle, nerve or center that effects movements.

motor activity
limb movement the most obvious of these forms of activity.
motor alpha-neuron
ventral spinal cord neurons which innervate skeletal muscle. Called also final common pathway, lower motor neuron.
motor depressant anticonvulsant
a drug that depresses motor activity and hence prevents convulsions, e.g. phenobarbital sodium, phenytoin sodium.
motor dysfunction
abnormality of the motor system.
motor end-plate
sites of neuraptic transmission of acetylcholine from nerve to muscle receptors.
motor fibers
innervate the body effectors.
motor lubricating oil
ingestion may cause lead poisoning.
motor nerve conduction
the transmission of impulses along motor nerves to skeletal muscle.
motor unit
includes the motor neuron, neuromuscular junction, and the myofibrils innervated by the neuron.
motor unit action potential
the electrical activity of voluntary muscle contractions recorded by needle electromyography.