overview of nervous system
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24 Terms
rostral
towards nose
caudal
towards tail
front
anterior/ventral
back
posterior/dorsal
medial
towards the middle
lateral
towards the sides
medial
the cns is … (directional term)
lateral
the pns is… (directional term)
efferent
outgoing, to a lower center
afferent
going in, to a higher center
gray matter
the part of the brain that thinks, cell bodies
neuron
each … has a cell body
white matter
transmission, axons
sympathetic system
flight, freeze, or fight
parasympathetic system
chill; slows heart rate, constricts pupils, lowers blood pressure
autonomic nervous system
sympathetic and parasympathetic systems are part of the …..
autonomic nervous system
located in prefrontal cerebral cortex and subcortical systems
somatic muscles
skeletal muscles
pyramidal/direct system
control of conscious controlled skilled movements
extrapyramidal/indirect system
control of background, supportive movements
organs, skeletal muscles
autonomic influences …., somatic influences …
embryonic period
weeks 1-8
fetal period
weeks 9-37
embryological neural plate
nervous system derived from…