jenifer reyes period 2
action potential
spinal nerves
major functions of of NS
main functions of the brain
movement internal process of physiology
sensory functions and receptors
integrative funtions-
coordination of sensory info in CNS
processing information into is basis for decision making
detect internal and external changes
info travels from receptors to sensory neurons
transport to CNS-
neurotransmitter
cranial nerves
connective tissue coverings
reflex arc-
tissues
cerebrum
cerebellum
peritetal lobe
thalamus
hypothalamus
frontal lobe
occtiputical lobe
motor fun
effectors- muscle glands respond respond to disicion made in cns
nerve impusles conducted along motor neurons
realeased in response to a nerve impulse
more than 100 neutransmitters
some neurons produce more that one type of transmitter others produce 2 or more
actions depend on type of receptors in specific synapse
including acetylcholine amino acid neuropeptides
diffuse acroos sthe cleft and bind to receptors on the membrane of the postanymatic neuron
communication accomplished by a chemical
stores and released from synaptic
endoneurium
epineurium
perininium-
coverings around individual never fibers
outrer coverings of nerve
covering around fscicles of nerve fibers
axons
bundles
most are mixed (sensory and motor neuron fibers)
others are primarily motor
some are only sensory
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mid brain
pons
gray matter
white matter
cerebellum
medulla
parts of function and spinal cord
cuada equina
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cervical enlargement
lumbar enlargement
dorsal root gangila
central canal
posterior and anterior horns
middle of gray matter contains cerebrospinal fluid
the regoin that is thickened near the bottom and riseto the nerves for the lower rimbs
thickened area at the top and provides nerves to the upper limbs
the 31 segments that are connected to the spinal cord
lateral horn in between
upper and lower wings of gray matter
cell bodies of sensory neurons that enter in the spinal cord
bundles of myenlinated nerve fibers
bigger part of the brain
smaller part of the brain
the front portion
motor effrerent neuron
glands and mucles=receptors
central nervous system
sensory or afferent neuron
receptors
neurogila
cns- microgila
small cells
cells that support neurons
doesnt generate nerve impulses
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