Various toxins act to
stimulate pain receptors in the muscles.
Not exact matches
Because it
stimulates the nerve
receptors to give the skin a cold and hot sensation as it eases the
pain, it might lead to the irritation of the nervous system.
Liem says this dysfunction triggers the release of more of the hormone that
stimulates these cells, but this hormone also
stimulates a brain
receptor related to
pain sensitivity.
Dr. Bohn's team has identified several molecules considered to be «biased agonists» because they act at the opioid
receptor to
stimulate pain relief, but cause less stimulation of the pathway that leads to respiratory suppression.
This is why products containing menthol have names like «Icy Hot» — menthol
stimulates both the hot (
pain) and cold
receptors, sending the brain a really ambiguous signal.
And they found that, in turn, hormonelike substances called prostaglandins were secreted along with other substances that, combined with the dilation of scalp arteries,
stimulate the brain's
pain receptors.
Heat
stimulates the sensory
receptors in the skin to decrease transmissions of
pain signals to the brain and partially relieve the discomfort.
Yet another
pain - relieving drug is THC, the active component in marijuana, which controls
pain by
stimulating certain
receptors in the brain, similar to those that opiates act upon.
As a «neurogenic inflammatory» capsaicin acts as an irritant,
stimulating the same
receptors that
pain does.