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Home Q & A Board Biology-Related Homework Help Biochemistry
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13 years ago
Describe the action of aspirin and opiates in pain relief. What does your answer suggest about opiates?
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13 years ago
Aspirin inhibits prostaglandins and presumably slows the transmission of pain signals from the site of injury to the brain. Opiates like morphine act on a special class of receptor molecules in the CNS called opioid receptors. Opiates decrease the secretion of neurotransmitter from the primary sensory neurons. The discovery of the mode of action of opiates, that is, the discovery of specific receptors for opiate drugs, led scientists to search for and discover naturally occurring opiates in the CNS— enkephalins and endorphins.
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