periaqueductal gray

(redirected from Periaqueductal grey)

periaqueductal gray

a core of gray matter nervous tissue surrounding the cerebral aqueduct in the midbrain.
References in periodicals archive ?
During the resting brain scan, the women consuming probiotics showed greater connectivity between a key brainstem region known as the periaqueductal grey and cognition-associated areas of the prefrontal cortex.
Associated neurobiological structures and functions associated with the FFFS are the periaqueductal grey, medial hypothalamus, and amygdala, and serotonergic inputs into these structures.