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Titolo:
ORGANIZATION OF EFFERENT PROJECTIONS FROM THE PARABRACHIAL AREA TO THE HYPOTHALAMUS - A PHASEOLUS-VULGARIS-LEUKOAGGLUTININ STUDY IN THE RAT
Autore:
BESTER H; BESSON JM; BERNARD JF;
Indirizzi:
INSERM U161,UNITE RECH PHYSIOPHARMACOL SYST NERVEUX,2 RUE DALESIA F-75014 PARIS FRANCE INSERM U161,UNITE RECH PHYSIOPHARMACOL SYST NERVEUX F-75014 PARIS FRANCE EPHE F-75014 PARIS FRANCE
Titolo Testata:
Journal of comparative neurology
fascicolo: 3, volume: 383, anno: 1997,
pagine: 245 - 281
SICI:
0021-9967(1997)383:3<245:OOEPFT>2.0.ZU;2-J
Fonte:
ISI
Lingua:
ENG
Soggetto:
MEDIAN PREOPTIC NUCLEUS; BRAIN-STEM PROJECTIONS; MESENCEPHALIC LOCOMOTOR REGION; CORTICOTROPIN-RELEASING-FACTOR; RENAL VASCULAR-RESISTANCE; LEUKOAGGLUTININ PHA-L; METHYL-D-ASPARTATE; LAMINA-I NEURONS; PERIAQUEDUCTAL GRAY; ELECTRICAL-STIMULATION;
Keywords:
VENTROMEDIAL NUCLEUS; RETROCHIASMATIC; MEDIAN PREOPTIC; LATERAL HYPOTHALAMUS; NOCICEPTION;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
202
Recensione:
Indirizzi per estratti:
Citazione:
H. Bester et al., "ORGANIZATION OF EFFERENT PROJECTIONS FROM THE PARABRACHIAL AREA TO THE HYPOTHALAMUS - A PHASEOLUS-VULGARIS-LEUKOAGGLUTININ STUDY IN THE RAT", Journal of comparative neurology, 383(3), 1997, pp. 245-281

Abstract

The organization of projections from the parabrachial (PB) area to the hypothalamus was studied in the rat by using microinjections of Phaseolus vulgaris-leucoagglutinin (PHA-L) into subregions of the PB area. The present study is a follow-up of two former studies (Bernard et al. [1993] J. Comp. Neurol. 329:201-229; Alden et al. [1994] J. Comp. Neurol. 341:289-314) that examined PB projections onto the amygdala and the bed nucleus of the stria terminalis. The results demonstrate that 1) the mesencephalic PB region, centered in the lateral portion of thesuperior lateral subnucleus projects extremely densely to almost the entire dorsomedial subdivision of the ipsilateral ventromedial hypothalamic nucleus; 2) the mesencephalic PB region, located in the medial portion of the superior lateral subnucleus and weakly overflowing into the rostralmost dorsal lateral pontine subnucleus, projects densely tothe retrochiasmatic area and, to a lesser extent, to the ipsilateral ventromedial nucleus of the hypothalamus; 3) the PB region, including the central lateral, a portion of the superior lateral, and the outer external lateral subnuclei, projects densely to the ipsilateral median, anteroventral, and periventricular preoptic hypothalamic nuclei and projects more weakly to the dorsal border of the paraventricular nucleus (PVN). No consistent projection was found in the magnocellular PVN. All of these PB regions also project diffusely to the dorsomedial area and to a small tuberal subfornical hypothalamic area. In addition, the medial half of the PB area projects consistently to the posterior lateral hypothalamus. It is suggested that these pathways may be involved in aversive-defensive behavior, in autonomic and neuroendocrine aspects of pain, and in feeding and energy metabolism regulation. (C) 1997 Wiley-Liss, Inc.

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Documento generato il 02/04/20 alle ore 00:18:27