Veterinary Terminology, Chapter 13 Nerves of Steel

synapse
space between two neurons or between a neuron and a receptor
homeostasis
maintaining a constant internal environment
radiculitis
inflammation of the root of the spinal nerve
meninges
three-layered membrane lining the CNS
myelin
protective sheath that covers some nerve cells of the spinal cord, white matter of the brain, and most peripheral nerves
sympathetic
division of the autonomic nervous system that is concerned with body functions under emergency or stress
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plexus
network of intersecting nerves
efferent
type of neuron that carries impulses away from the CNS and toward the muscles
reflex
an automatic, involuntary response to change
cerebrum
largest portion of the brain that is involved with thought and memory
gyri
elevated portions of the cerebral cortex
analgesia
meaning without pain
poliomyelitis
inflammation of the gray matter of the spinal cord
ataxia
without coordination or stumbling
ganglion
knotlike mass of neuron cell bodies in the peripheral nervous system
obtunded
“depressed” animal
meningitis
inflammation of the membranes surrounding the brain and spinal cord
knuckling
conscious proprioceptive deficit
chiasm
medical term meaning crossing
ventricles
small cavities in the brain
conscious
awake, aware, and responsive; also known as aleart
BAR
bright, alert, responsive
coma
deep state of unconsciousness
lethargy
drowsiness, indifference, and listlessness
disorientation
condition in which the animal appears mentally confused
stupor
impaired consciousness with unresponsiveness to stimuli
stimulus
something that excites or activates
soma
cell body
impulse
wave of excitation transmitted through nerve tissue
neuroglia
supportive cells of the nervous system
myoclonus
repetitive, rhythmic contraction of limb or facial muscles