Periaqueductal gray
The periaqueductal gray (latin. Substantia grisea periaquaeductalis ) or central gray matter (latin. Substantia grisea centralis ) is a collection of nerve cell bodies , a core area complex , which in tegmentum is and the "Liquorleitung" of the midbrain ( cerebral aqueduct surrounds).
This core complex is important for opioid , descending pain suppression. In this context, it sends efferents to the serotoninergic raphe nuclei . It also has an important function in the limbic system and also coordinates fear and flight reflexes, which is why it is often included in the reticular formation .
literature
- Roth, G. and Dicke, U. (2007): Functional Neuroanatomy of the Limbic System. In: Schneider, F. and Fink GR (eds., 2007): Functional MRT in psychiatry and neurology. Heidelberg (Springer)
Web links
Wiktionary: periaqueductal gray - explanations of meanings, word origins, synonyms, translations
Individual evidence
- ↑ F. Lang and Ph. Lang (eds.): Basic knowledge of physiology . Springer Verlag, Heidelberg 2007, p. 383 .