involuntary

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Definition/MeaningWord/Phrase
part of the nervous system of vertebrates that controls involuntary actions of the smooth muscles and heart and glands ANS , autonomic nervous system
continuous succession of slow, writhing, involuntary movements of the hands and feet and other body parts athetosis
reflex or involuntary functioning automatism
action, automatic or involuntary automatism
nervous system parts regulating involuntary actions autonomic nervous system
loss or deficiency of motor control with involuntary spasms caused by permanent brain damage present at birth cerebral palsy , spastic paralysis
childbirth, involuntary shortening of abdominal muscles in contraction
muscular contraction, intense involuntary convulsion
involuntary spasms convulsion
painful and involuntary muscular contraction cramp , muscle spasm , spasm
board to select personnel for involuntary military service draft board
involuntary defecation not attributable to physical defects or illness encopresis
inability to control the flow of urine and involuntary urination enuresis , urinary incontinence
involuntary shortening of stride and quickening of gait that occurs in some diseases (e.g., Parkinson's disease) festination
involuntary spasm of ineffectual vomiting heave , retch
involuntary urination or defecation incontinence , incontinency
sudden involuntary movement jump , start , startle
involuntary movements of the eyeballs; its presence or absence is used to diagnose a variety of neurological and visual disorders nystagmus
involuntary intake of breath through a wide open mouth; usually triggered by fatigue or boredom oscitance , oscitancy , yawn , yawning
small involuntary tremors of the eyeballs; when it is eliminated by stabilizing the image on the retina, visual perception fades rapidly from fatigue of the retinal receptors physiological nystagmus
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