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refers to one of seven divisions of the anterior hypothalamic region as defined on the basis of Nissl stain. It is located in the medial zone of the hypothalamus, for the most part between the medial preoptic area rostrally, the dorsomedial nucleus of the hypothalamus caudally; the periventricular zone of the hypothalamus medially and the lateral hypothalamic area laterally. In the human it is undifferentiated ( Saper-2004 ). In the macaque an anterior part of the anterior hypothalamic area is distinguished from the remainder ( Paxinos-2009a ). In the rat ( Swanson-2004 ) and mouse ( Hof-2000 ) it is composed of two subdivisions, a distinctive anterior hypothalamic nucleus and an undifferenctiated anterior hypothalamic area proper.
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refers to one of two divisions of the anterior hypothalamic area as defined by Nissl stain in the rat ( Swanson-2004 ) and the mouse ( Hof-2000 ). It is not found in the human ( Saper-2004 ) or macaque ( Paxinos-2009a ). It differs from the other division, the anterior hypothalamic area proper, in that the cellular distribution is more compact. In the rat and mouse the nucleus is composed of four parts: the anterior part of the anterior hypothalamic nucleus, the central part of the anterior hypothalamic nucleus, the posterior part of the anterior hypothalamic nucleus and the dorsal part of the anterior hypothalamic nucleus. Functionally it is part of the behavior control column of the subcortical motor system ( Swanson-2004 ).
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