Anaesthetic

... to visitors to the institute, and after watching the amusing effects on people who inhaled it, coined the term 'laughing gas'! Davy even noted the anaesthetic effects of the gas: "As nitrous oxide in its extensive operation appears capable of destroying physical pain, it may probably be used ...

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... hours; ethanol takes a number of years."] The exact mode of action of alcohol is not completely understood. We do know that alcohol has some anaesthetic properties, and that may result from it's directly interfering with the binding of certain neurotransmitters, especially acetylcholine. ...

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... those required for breathing, is used in electroconvulsive therapy, (E.C.T.), and this is administered intravenously after the intravenous anaesthetic agent. The anaesthetist can then assist the person to breathe artificially after the treatment has been administered until the person can ...

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They also secrete substances which have an anaesthetic effect, preventing the victim from being aware that the leech is feeding. The exact nature of these substances is still unknown. :twisted: Leeches r quiet cute i like them too. Wen i grow ...

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