Specializing in Canine and Feline Neurology and Neurosurgery for Over 30 Years

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status epilepticus

Medical emergency generally considered to be more than 7 minutes of either continuous seizure activity or two or more sequential seizures without full recovery of consciousness in between them.

Related Words

seizure

stenosis

Narrowing or stricture of a duct or canal.

 


storage diseases

Metabolic disorders characterized by the accumulation of certain substances in various tissues in abnormal amounts; two commonly reported in veterinary medicine are lysosomal and glycogen storage disease.

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strabismus

Misalignment of the eyes with each other.

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stroke

Sudden loss of neurological function caused by a blockage or rupture of a blood vessel to the brain or spinal cord; includes infarction and hemorrhage subtypes.

Related Words
blood  ;  brain  ;  infarct  ;  spinal cord

 


strychnine poisoning

Caused by a chemical found in Strychnos (a genus of tropical trees) that results in excitation of all parts of the central nervous system by blocking postsynaptic inhibition of neural impulses.

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Related Words
central nervous system (CNS)  ;  neuron  ;  synapse

stupor

Condition of unresponsiveness from which the patient can only be aroused by vigorous and repeated stimuli; once stimulus ceases, patient lapses back into unresponsiveness.

 


subarachnoid space

Actual space separating 2 of the layers of the meninges, the pia and arachnoid, that surround the brain and spinal cord; contains cerebrospinal fluid, arteries and veins, and filaments of arachnoid matter, giving it the appearance of a spider web.

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Related Words

arachnoid ; brain ; cerebrospinal fluid (CSF) ; meninges ; pia ; spinal cord


subcortical

Portion of the brain immediately below the cerebral cortex.

Related Words

brain  ;  cerebral cortex  ;  cortical

subdural space

Potential space between 2 layers of the meninges, the dura and arachnoid, that can be filled with blood, cerebrospinal fluid, or pus.

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Related Words

arachnoid ; cerebrospinal fluid (CSF) ; dura mater ; meninges ; pus



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