PERIAQUEDUCTAL GRAY (PAG)
Introduction and Anatomical Localization The Periaqueductal Gray (PAG), also frequently referred to as the central gray, constitutes a critically important midbrain structure situated within the brainstem. This region is characterized by an exceptionally dense aggregation of nerve cell bodies and glial cells, which collectively form a cylindrical mass of gray matter. Anatomically, the PAG completely […]