Dictionary » O » Opioids



Originally, a term denoting synthetic narcotics resembling opiates but increasingly used to refer to both opiates and synthetic narcotics.

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Re: Are tissues in the body capable of sensing pain?

... to much after the event... as adrenaline may well delay a pain responce... but we also have other endogenous pain killers in bodies (endogenous opioids, neurotransmitters...etc.) D) pain responce is an evolutionary advantage... how can you survive without responce to pain?... there are people ...

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by Revenged
Wed Dec 26, 2007 11:33 pm
Forum: Human Biology
Topic: Are tissues in the body capable of sensing pain?
Replies: 24
Views: 16114


Receptor downregulation is the mechanism for pharmacodynamic drug tolerance (for example opioids or benzodiazepins). Also there is pharmacokinetic drug tolerance (for barbiturates) wich has nothing to do with receptors, but with the drug increasing its own metabolization ...

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by radu
Thu Feb 22, 2007 4:24 pm
Forum: Cell Biology
Topic: Receptor
Replies: 11
Views: 6108

is it correct?

... agent that binds to opioid receptors, found principally in the central nervous system and gastrointestinal tract. There are four broad classes of opioids: endogenous opioid peptides, produced in the body; opium alkaloids, such as morphine (the prototypical opioid) and codeine; semi-synthetic opioids ...

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by angelo
Thu Feb 09, 2006 4:10 pm
Forum: Physiology
Topic: Difference between opiate and opiod
Replies: 4
Views: 14092

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