periaqueductal gray

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English[edit]

English Wikipedia has an article on:
Wikipedia

Alternative forms[edit]

Etymology[edit]

Shortening of periaqueductal gray matter.

Noun[edit]

periaqueductal gray (plural not attested)

  1. (neuroanatomy) The region surrounding the cerebral aqueduct in the midbrain, playing an important role in analgesia. [From 20th c.]
    Synonyms: central gray, PAG
    • 2011, Steven Pinker, The Better Angels of Our Nature, Penguin, published 2012, page 601:
      The periaqueductal gray contains circuits that control the sensorimotor components of rage.

References[edit]

  • Bear et al. Neuroscience, Exploring the Brain Co. 2001, Lippincot Williams and Wilkins
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