central nervous system (CNS)
peripheral nervous system (PNS)
brain
cranial nerves
nerve
spinal cord
spinal nerves
ganglia
enteric plexus
sensory function of nervous system
sensory or afferent neurons
integrative function of nervous system
interneurons
motor function of nervous system
motor
or efferent neurons
effectors
somatic nervous system
information
comes from what sort of receptors?
information
goes to what sort of effectors?
system
under voluntary or involuntary control?
autonomic nervous sytem
information
comes from what sort of receptors?
information
goes to what sort of effectors?
system
under voluntary or involuntary control?
neurons
neuroglia
cell body
dendrites
axon
synapse
synaptic vesicles
neurotransmitters
slow axonal transport
(one direction only)
fast axonal transport
(both
directions)
multipolar neuron
bipolar neuron
unipolar neuron
neuroglia
astrocytes
oligodendrocytes
microglia
ependymal cells
Schwann cells
satellite cells
myelin sheath
nodes of Ranvier
white matter
gray matter
nucleus
resting membrane potentials
small
buildup of + ions along outside of membrane
small
buildup of – ions along inside of membrane
graded potential
hyperpolarizing
graded potential
depolarizing
graded potential
action potential or impulse
depolarization
Na+ channels open
repolarization
K+ channels open
refractory
period
continuous
conduction
saltatory conduction
chemical synapse
electrical synapse
excitatory postsynaptic potential (EPSP)
inhibitory postsynaptic potential (IPSP)