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35 Cards in this Set

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What makes up the peripheral nervous system?
The peripheral nervous system is formed by neurons of the cranial and spinal nerves.
What makes up the central nervous system?
The central nervous system is formed by neurons of the spinal cord, brain stem, cerebellum and cerebrum.
What are groups of neuron cell bodies called in the PNS?
ganglia
What are groups of neuron cell bodies called in the CNS?
nuclei
Where do PNS sensory or afferent neurons carry information to?
To the spinal cord or brain stem.
Where do CNS sensory neurons carry information to?
To the cerebellum, cerebrum, spinal cord and brain stem for further interpetation.
Horses vertebrae (same as cow)
8 cervical, 13 thoracic, 6 lumbar, 5 sacral segments
Pigs vertebrae
8 cervical, 13 thoracic, 6-7 lumbar, 4 sacral segments
What occurs in horses, cattle and pigs when spinal cord lesions occur from T2 to L6?
paraesis (paralysis of the pelvic limb)
What occurs in horses, cattle and pigs when spinal cord lesions occur T2-L3?
pelvic limb ataxia, conscious proprioceptive deficits, paresis
What is hydrocephalus?
increase in volume of the cerebrospinal fluid
What are 2 causes of hydrocephalus?
1)genetics
2)viatmin A definciency
What is occipitoatlantoaial malformation?
congenital disease that causes fusing of joints, ataxia, and an extended neck posture
What is hyperkalemic periodic paralysis?
congenital disease due to an inherited mutation of the sodium channel which causes episodes of muscle tremor.
What horse is responsible for the spreading of HYPP?
The quarter horse Impressive
What are some symptoms of stringhalt?
brisk involuntary flexion of one or both pelvic limbs
What are the causes of Stringhalt?
Cause unknowm but thought to be dietary
What is the most pathogenic form of encephalomyelitis?
Eastern equine encephalomyelitis
How is encephalomyelitis transmitted?
Mosquitos
What is equine protozoal myeloencephalitis?
EPM is a common neurologic disease caused by Sarcicystis neurona which causes asymmetrical or symmetrical weakness and ataxia of one to all limbs and head tilt
What kind of virus is west nile virus? and how is it transmitted
flavivirus transmitted by mosquitos
What diagnostic tests can you use to dx West nile?
ELISA test
How often should horses get a rabies vaccination?
once a year
What is louping ill?
An acute, tick transmitted viral disease of the CNS
What are some symptoms of louping ill?
Muscle tremors, nervous nibling, ataxia
What are some symptoms of stringhalt?
brisk involuntary flexion of one or both pelvic limbs
What are the causes of Stringhalt?
Cause unknowm but thought to be dietary
What is the most pathogenic form of encephalomyelitis?
Eastern equine encephalomyelitis
How is encephalomyelitis transmitted?
Mosquitos
What is equine protozoal myeloencephalitis?
EPM is a common neurologic disease caused by Sarcicystis neurona which causes asymmetrical or symmetrical weakness and ataxia of one to all limbs and head tilt
What kind of virus is west nile virus? and how is it transmitted
flavivirus transmitted by mosquitos
What diagnostic tests can you use to dx West nile?
ELISA test
How often should horses get a rabies vaccination?
once a year
What is louping ill?
An acute, tick transmitted viral disease of the CNS
What are some symptoms of louping ill?
Muscle tremors, nervous nibling, ataxia