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periaqueductal gray

   Also found in: Wikipedia 0.01 sec.
periaqueductal gray
a core of gray matter nervous tissue surrounding the cerebral aqueduct in the midbrain.
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However, it receives a strong excitatory projection from the periaqueductal gray [38], which has been exploited in about a thousand patients so far to alleviate otherwise refractory pain by DBS [39].
Restorative effects of stimulating medullary raphe after spinal cord ... by Hentall, Ian D.; Burns, Scott B. / Journal of Rehabilitation Research & Development
In a recent study Murphy found that previously reported differences in morphine's ability to block pain in male versus female rats are most likely due to sex differences in mu-opioid receptor expression in a region of the brain called the periaqueductal gray area (PAG).
Why analgesic drugs may be less potent in females than males by Asian News International
Three areas in the brain stem and diencephalon are specifically implicated in the control of micturition: the dorsolateral pontine tegmentum, the periaqueductal gray matter, and the preoptic area of the hypothalamus.
Urinary incontinence in the elderly. (FEATURED CME TOPIC: THE OLDER ... by Merkelj, Ivan / Southern Medical Journal
 
 
 
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