| ARSACS | autosomal recessive spastic ataxia of Charlevoix-Saguenay |
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| AT | abdominal thrusts; achievement test; Achilles tendon; Achard-Thiers [syndrome]; adaptive thermogenes... |
| A-T | ataxia telangiectasia |
| CLA | cerebellar ataxia; Certified Laboratory Assistant; cervicolinguoaxial; contralateral local anesthesi... |
| COACH | cerebellar vermis hypoplasia/aplasia-oligophrenia-congenital ataxia-ocular colobomata-hepatic fibros... |
| Friedreich's ataxia | <neurology> An autosomal recessive inherited disorder that leads to the progressive dysfunction of the cerebellum, spinal cord and peripheral nerves. Symptoms usually begin in childhood before puberty and consist of an unsteady gait (ataxia), slurred speech (dysarthria) and jerky eye movements (nystagmus). Other findings include kyphoscoliosis, hammer toe, heart disease and high arches. Congestive heart failure is a common complication. There is no known treatment and prognosis is poor. Inheritance: autosomal recessive. (07 Apr 1998) |
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| Leyden's ataxia | A syndrome having the characteristics of tabetic neurosyphilis but not due to syphilis. Synonym: Leyden's ataxia, peripheral tabes, pseudoataxia. (05 Mar 2000) |
| locomotor ataxia | The severe gait ataxia seen with tabetic neurosyphylis. Patients walk with the feet wide apart, slapping them clumsily to the floor with each step, and depend on visual cues to maintain balance. See: tabetic neurosyphilis. (05 Mar 2000) |
| ala central lobule | The lateral winglike projection of the central lobule of the cerebellum. Synonym: ala lobuli centralis, ala cerebelli. (05 Mar 2000) |
| anterior central convolution | Bounded posteriorly by the central sulcus and anteriorly by the precentral sulcus. Synonym: gyrus precentralis, anterior central convolution, anterior central gyrus, ascending frontal convolution, ascending frontal gyrus. (05 Mar 2000) |
| anterior central gyrus | Bounded posteriorly by the central sulcus and anteriorly by the precentral sulcus. Synonym: gyrus precentralis, anterior central convolution, anterior central gyrus, ascending frontal convolution, ascending frontal gyrus. (05 Mar 2000) |
| anterolateral central arteries | Numerous small branches from the sphenoidal part of the middle cerebral arteries supplying the lateral and anterior parts of the corpus striatum. Synonym: arteriae centrales anterolaterales, arteriae thalamostriatae anterolaterales, anterolateral central arteries, anterolateral striate arteries, anterolateral thalamostriate arteries, arteries of cerebral haemorrhage, lenticulostriate arteries. (05 Mar 2000) |
| anteromedial central arteries | Several small branches of the precommunical part of the anterior cerebral artery; they are distributed to the anteromedial part of the corpus striatum part of the thalamus. Synonym: arteriae centrales anteromediales, arteriae thalamostriatae anteromediales, anteromedial thalamostriate arteries. (05 Mar 2000) |
| anteromedial central branches | Branches of the anterior communicating artery which supply part of the hypothalamus. Synonym: rami centrales anteromediales. (05 Mar 2000) |
| artery of central sulcus | <anatomy, artery> A branch of the terminal part of the middle cerebral artery distributed to the cortex on either side of the central sulcus. Synonym: arteria sulci centralis, artery of central sulcus, central artery, Rolandic artery. (05 Mar 2000) |
| asia, central | The geographical area of asia comprising kazakhstan, kyrgyzstan, tajikistan, turkmenistan, and uzbekistan. The desert region of kara kum (qara qum) is largely in turkmenistan and the desert region of kyzyl kum (kizil kum or qizil qum), is in uzbekistan and kazakhstan. (12 Dec 1998) |
| auditory diseases, central | Diseases of the auditory pathways from the bulbar cochlear nuclei to the auditory cortex in the temporal lobe. Structures involved include the medial and lateral lemnisci, inferior colliculus, and the medial geniculate nucleus. (12 Dec 1998) |
| recurrent central retinitis | An obsolete term for central serous retinopathy. (05 Mar 2000) |
| catheterization, central venous | Placement of an intravenous catheter in the subclavian, jugular, or other central vein for central venous pressure determination, chemotherapy, haemodialysis, or hyperalimentation. (12 Dec 1998) |
| measures of central tendency | General term for several characteristics of the distribution of a set of measurements or values around a value or values at or near the middle of the set; the principal measures of central tendency are mean, median, and mode. (05 Mar 2000) |