Immunohistochemical demonstration of LHRH neurons and their pathways in the rat hypothalamus

Neuroendocrinology
H Kawano, S Daikoku

Abstract

LRHR neurons and fiber tracts have been studied immunohistochemically in rats. After the intraventricular infusion of colchicine, a number of immunoreactive LHRH neurons were consistently evident in the preoptico-septal area and in the diagonal band of Broca. The immunoreactive fiber tracts originating in those areas were classified into two groups: preoptico-terminal and preoptico-infundibular tracts. The former terminated in the OVLT. The latter was further divided into the mediobasal and laterobasal tracts; both were found to terminate in the median eminence. The mediobasal tract ran posteriorly through the ventral portion of the lateral periventricular area. The laterobasal tract ran posteriorly in the medial forebrain bundle and was accompanied by several immunoreactive neurons. The immunoreactive cell bodies were further scattered in the base of the tuberal hypothalamic area. An anterior bilateral Halász cut in the retrochiasmatic region was followed by a great reduction of the immunoreactive materials in the median eminence and by the appearance of the immunoreactive perikarya and in the preoptico-septal area and in the diagonal band of Broca. A horizontal hypothalamic cut, on the other hand, which disconnected the tuber...Continue Reading

Citations

Dec 31, 1997·The Journal of Comparative Neurology·M M Moga, R Y Moore
Mar 23, 2007·Reviews in Endocrine & Metabolic Disorders·Kei-Ichiro MaedaHiroko Tsukamura
Nov 1, 1983·Peptides·J C King, E L Anthony
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Jan 1, 1984·International Journal of Developmental Neuroscience : the Official Journal of the International Society for Developmental Neuroscience·S DaikokuS Hisano
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Jul 17, 2010·Annals of the New York Academy of Sciences·Hiroko TsukamuraKei-ichiro Maeda
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Sep 1, 1981·General and Comparative Endocrinology·J E WoodsR C Thommes

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