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HTHS 2230 Nervous F1c: Opioid Mechanism of Action… duration 5 minutes 17 seconds HTHS 2230 Nervous F1c: Opioid Mechanism of Action… HTHS 2230 Nervous F1c: Opioid Mechanism of Action Video with Questions	HTHS 2230 Nervous F1c: Opioid Mechanism of Action Video with Questions neuron pain receptors brain neurotransmitters signals opioids gelatinosa substantia cord hyperpolarization effects action membrane release mu actions questions frequency decrease From Jim Hutchins 0 likes 5 plays 0