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23 Cards in this Set
- Front
- Back
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Dendrite |
receives stimulation and carries stimuli to cell body |
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cell body |
contains nucleus and organelles for neuron |
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axon |
generates action potential |
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axon hillock |
sodium voltage gates open, action potential begins |
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myelin sheath |
speed nerve impulses |
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schwann cells |
form myelin sheath |
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node of ranvier |
gaps in myelin sheath where depolarization occurs |
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endoneurium |
covers individual axon |
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presynaptic membrane |
contains neurotransmitters |
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synaptic vesicles |
sacs of neurotransmitters that are released to snyaptic cleft |
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neurotransmitters |
chemicals that transfers ap from one nerve to another |
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postsynaptic cell membrane / receptors |
contains neurotransmitters / generate graded potential |
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medulla oblongata |
heartbeat and breathing |
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pons |
respiratory center |
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midbrain |
startle reflex site |
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thalamus |
receives all sensory and motor inputs |
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hypothalamus |
regulates homeostasis |
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pituitary gland |
secretes hormones |
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cerebellum |
posture and balance |
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arbor vitae |
white matter that relays information between sides of cerebellum |
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cerebrum |
intelligence and emotions |
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corpus callosum |
white matter bridge that allows both hemispheres to interact |
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ventricles |
produces CSF |
