Also found in: Thesaurus, Medical, Encyclopedia, Wikipedia.
Related to ataxia: Friedreich's ataxia, Cerebellar ataxia
1. Loss of the ability to coordinate muscular movement.
2. Any of various degenerative, often hereditary, disorders that are characterized by ataxia and are frequently associated with cerebellar atrophy.
[Greek ataxiā, disorder : a-, not; see a-1 + taxis, order.]
a·tax′ic adj. & n.
(Pathology) pathol lack of muscular coordination
[C17: via New Latin from Greek: lack of coordination, from a-1 + -taxia, from tassein to put in order]
aˈtaxic, aˈtactic adj
a•tax•i•a(əˈtæk si ə)
loss of coordination of the muscles, esp. of the extremities.
[1605–15; < New Latin < Greek: indiscipline]
Loss of muscular coordination as a result of damage to the central nervous system.
inability to coordinate bodily movements, especially movements of the muscles. See also order and disorder.See also: Disease and Illness
lack of order; irregularity. See also disease and illness.See also: Order and Disorder
Lack of coordination of the muscles.
Switch to new thesaurus
|Noun||1.||ataxia - inability to coordinate voluntary muscle movements; unsteady movements and staggering gait|
Friedreich's ataxia, herediatry spinal ataxia - sclerosis of the posterior and lateral columns of the spinal cord; characterized by muscular weakness and abnormal gait; occurs in children
hereditary cerebellar ataxia - nervous disorder of late childhood and early adulthood; characterized by ataxic gait and hesitating or explosive speech and nystagmus
spinocerebellar disorder - any of several congenital disorders marked by degeneration of the cerebellum and spinal cord resulting in spasticity and ataxia