Term
| ANS divisions and description |
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Definition
Sympathetic- fight or flight
Parasym - essential body fn's |
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Term
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Definition
Epinephrine
Norepinepherine |
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Term
Parasympatheteic NT's
What is it inactivated by? |
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Definition
Acetylcholine
Acetylcholinesterase |
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Term
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Definition
| Pupil dilation, secretion of renin, blood vessel dilation in muscles, blood vessel constriction in skin/mucous membranes |
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Term
| What innervates the GI tract? |
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Definition
Enteric neurons
(non-reliant on central nervous system) |
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Term
| 6 most common neurotransmitters |
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Definition
| Norepin., Epine., Acetylcholine, Dopamine, Serotonin, Histamine |
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Term
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Definition
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Term
| Neurotransmitter Signaling summary |
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Definition
Neurotransmitters:
Released from nerve terminals between cells
Triggered by action potential (causing depolarization)
Calcium uptake causes fusion of vesicles of synapses with presynaptic membrane
Contents of vesicles are released |
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Term
| Acetylcholine mediates.... |
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Definition
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Term
| Cholinergic agonists: 6 steps of neurotransmission |
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Definition
Synthesis
Storage in vesicles
Release of Ach
Receptor binding
Degradation of Ach
Recycling of choline |
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Term
| What is the rate limiting step of Acetylcholine synthesis? |
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Definition
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Term
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Definition
Na+ channels propagate action potential
Action Potential arrives @ nerve ending
Ca+ channels open, rise in intracelllar Ca+, fusion of cell membrane and synaptic vesicles |
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Term
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Definition
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