Central NS
What is the longest structure of the CNS?
spinal cord
What are the main groups of neurotransmitters?
ACh, biogenic amines, amino acids, and neuroppeptides
What is the name of cranial nerve I?
Olfactory
What wraps an entire neuron?
epineurium
What is the structure in the center of the brain called? (houses the hypothalamus)
diencephalon
Most common inhibitory NT in brain
GABA
What is CN 5?
trigeminal
fascicles
What cells produce cerebrospinal fluid?
ependymal cells
What NT reduces pain signals?
opioids
What CN carries sensory information about hearing and balance?
vistibulocochlear nerve (8)
What tissue makes up endoneurium?
areolar CT
Describe the ventricles in the brain (name and location)
lateral ventricles on the left and right, third ventricle in the middle, fourth ventricle extending downwards
what NT causes you to feel full?
neuropeptide Y
What would damage to CN 7 cause?
Bell's Palsy
What wraps around nerves, from deep to superficial?
endoneurium, perineurium, epineurium
What is the white, c-shaped structure at the top of the diencephalon?
corpus callosum
What is the most common excitatory in the brain?
glutamate
What structure allows the optic nerve to have contralateral innervation
optic chaism
What division of the PNS allows you to walk?
somatic motor