Specializing in Canine and Feline Neurology and Neurosurgery for over 30 years

     Specializing in Canine and Feline Neurology and Neurosurgery for over 30 years

General Library


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somatic nervous system

Division of the peripheral nervous system which carries messages to the muscles that move the skeleton either voluntary or by reflex; both the somatic and autonomic nervous systems utilize motor neurons.

Related Words

autonomic system ; motor neuron ; nervous system ; peripheral nervous system (PNS) ; reflex


EEG pattern consisting of a transient electrical discharge with a pointed peak and a duration of less than 70 milliseconds that stands out from ongoing background activity; has a strong association with epilepsy.

Related Words
electroencephalography (EEG)  ;  epilepsy

spike-and-wave complex

Generalized synchronous pattern seen on EEG, consisting of a sharply contoured fast wave followed by a slow wave; seen in generalized epilepsy which is characterized by tonic-clonic seizures.

Related Words

electroencephalography (EEG) ; epilepsy ; tonic-clonic seizure

spina bifida

A developmental anomaly characterized by defective closure of the vertebral arch; the spinal cord and/or meninges may or may not protrude through the defect.

Related Words
meninges  ;  spinal cord  ;  vertebra

spinal canal

The space that houses the spinal cord throughout the length of the spinal column and provides openings for the exit of paired spinal nerves from the spinal cord; also called the vertebral canal.

Related Words

nerve ; spinal column ; spinal cord ; vertebral canal

spinal column

See spine.

Related Words


spinal cord

Part of the central nervous system, a column of nervous tissue that runs from the base of the skull down the back.  It is surrounded by three protective membranes (i.e. meninges) and is enclosed within vertebrae that compose the spine.  It carries most of the messages between the brain and the rest of the body.

►click here to learn more-link provided by: University of Minnesota, College of Veterinary Medicine

Related Words

brain ; central nervous system (CNS) ; meninges ; spine ; vertebra

spinal infarct

Sometimes called a spinal "stroke", a spinal cord infarction occurs when one of the three major arteries that supply blood to the spinal cord is blocked. Therefore, the spinal cord is deprived of oxygen, resulting in injury and destruction of the nerve fibers. The resulting disability depends on where the spinal cord was injured and the extent of the blockage. Everything below the occlusion will be affected.

Related Words

blood ; fiber ; infarct ; nerve ; spinal cord ; stroke

spinal tap

A procedure in which a needle is inserted into the subarachnoid space and cerebrospinal fluid (CSF) is withdrawn; a cisternal tap is performed in the upper cervical area called the cerebellomedullary cistern and a lumbar tap is performed in the patient's lower back region.

Related Words

cerebellomedullary cistern ; cerebrospinal fluid (CSF) ; cervical ; cisterna ; lumbar ; subarachnoid space

spinal tumor

Neoplasm located in the spine; depending on their location, spinal cord tumors can be extradural (outside the dura mater), intradural (part of the dura), or intramedullary (inside the spinal cord).  

►click here to learn more-link provided by: University of Pennsylvania, School of Veterinary Medicine 

Related Words

dura mater ; neoplasm ; spinal cord ; spine ; tumor

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