{"type":"standard","title":"Periaqueductal gray","displaytitle":"Periaqueductal gray","namespace":{"id":0,"text":""},"wikibase_item":"Q1243765","titles":{"canonical":"Periaqueductal_gray","normalized":"Periaqueductal gray","display":"Periaqueductal gray"},"pageid":1484465,"thumbnail":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Cn3nucleus-en.svg/330px-Cn3nucleus-en.svg.png","width":320,"height":195},"originalimage":{"source":"https://upload.wikimedia.org/wikipedia/commons/thumb/a/a4/Cn3nucleus-en.svg/770px-Cn3nucleus-en.svg.png","width":770,"height":470},"lang":"en","dir":"ltr","revision":"1274836976","tid":"a2d439f0-e6f4-11ef-94ff-0e9ad60a06fe","timestamp":"2025-02-09T14:46:25Z","description":"Nucleus surrounding the cerebral aqueduct","description_source":"local","content_urls":{"desktop":{"page":"https://en.wikipedia.org/wiki/Periaqueductal_gray","revisions":"https://en.wikipedia.org/wiki/Periaqueductal_gray?action=history","edit":"https://en.wikipedia.org/wiki/Periaqueductal_gray?action=edit","talk":"https://en.wikipedia.org/wiki/Talk:Periaqueductal_gray"},"mobile":{"page":"https://en.m.wikipedia.org/wiki/Periaqueductal_gray","revisions":"https://en.m.wikipedia.org/wiki/Special:History/Periaqueductal_gray","edit":"https://en.m.wikipedia.org/wiki/Periaqueductal_gray?action=edit","talk":"https://en.m.wikipedia.org/wiki/Talk:Periaqueductal_gray"}},"extract":"The periaqueductal gray (PAG), also known as the central gray, is a brain region that plays a critical role in autonomic function, motivated behavior and behavioural responses to threatening stimuli. PAG is also the primary control center for descending pain modulation. It has enkephalin-producing cells that suppress pain.","extract_html":"
The periaqueductal gray (PAG), also known as the central gray, is a brain region that plays a critical role in autonomic function, motivated behavior and behavioural responses to threatening stimuli. PAG is also the primary control center for descending pain modulation. It has enkephalin-producing cells that suppress pain.
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