median raphe nucleus
Acronym: MnR
The term median raphe nucleus refers to a narrow layer of predominantly serotonin containing cells: B8 cell group dorsally; B9 cell group ventrally ( Felten-1983 ). Located in the midline of the pontine reticular formation it is bounded laterally by the paramedian raphe nucleus. It is found in the human ( Hornung-2012 ), the macaque ( Paxinos-2009a ), the rat, ( Swanson-2004 ), and the mouse ( Franklin-2008 ). Functionally it is part of the behavioral state system, where it is known as the superior central nucleus raphe, medial part ( Swanson-2004 ).

Also known as: superior central nucleus, Nucleus centralis superior

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