Ch 13 Words Part 1

• brain and spinal cord
• CNS

• nerves and ganglia
• PNS

cells that support neurons

barrier between the brain fluids and blood that protects from pathogens circulating in the blood stream

• disruption of normal blood flow to the brain
• CVA

treatment of disorders affecting the nervous system

brain and spinal cord surgery

mental illness

mental health professionals trained in the treatment of behavioral disorders

inability to speak

• headache
• generalized pain tin the region of the head

series of involuntary muscular spasms caused by uncoordinated excitation of motor neurons that trigger muscle contractions

excessive sensitivity to painful stimuli

deficient sensitivity to normal painful stimuli