lateral habenula
Acronym: LHb
The term lateral habenula refers to one of two nuclei that comprise the habenular component of the epithalamus. It is present in the human ( Carpenter-1983 ), macaque ( Paxinos-2009a ), rat ( Swanson-2004 ), and mouse ( Franklin-2008 ). The other is the medial habenula. Some authors divide the lateral habenula of the rat ( Paxinos-2009b ) and the mouse ( Franklin-2008 ) into a medial part of the lateral habenula and lateral part of the lateral habenula. They do not subdivide the medial habenula.
     Other authors do not subdivide the lateral habenula of the rat ( Swanson-2004 ) but divide the medial habenula into two parts: the dorsal part of the medial habenula and the ventral part of the medial habenula.
     Neither nucleus is subdivided in the human ( Carpenter-1983 ) or the macaque ( Paxinos-2009a ). Functionally the habenula belongs to the central gray of the behavior control column ( Swanson-2004 ).

Also known as: lateral habenular nucleus, Nucleus habenulae lateralis, Nucleus habenularis lateralis


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