periaqueductal gray en · NOUN
Etymology
Shortening of periaqueductal gray matter.
Meanings
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(no-plural) The region surrounding the cerebral aqueduct in the midbrain, playing an important role in analgesia.
The periaqueductal gray contains circuits that control the sensorimotor components of rage.
2011, Steven Pinker, The Better Angels of Our Nature, Penguin, published 2012, page 601:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| periaqueductal grey | alternative | lexicographic |