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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Modulatory role of the suprachiasmatic nucleus on the OVLT-SON pathway

Trudel, Eric, 1978- January 2009 (has links)
No description available.
2

Modulatory role of the suprachiasmatic nucleus on the OVLT-SON pathway

Trudel, Eric, 1978- January 2009 (has links)
When an organism is dehydrated, neurons in the Organum vasculosum lamina terminalis (OVL T) sense this variation in plasma osmolality (OSM) and excite magnocellular neurosecretory cells (MNCs) in the supraoptic nucleus (SON) via glutamatergic synapses. The resulting action potential firing of MNCs will result in the secretion of vasopressin (VP) into the blood, which will promote water reabsorption from the kidney. The relationship between plasma VP and OSM (know as the VP-OSM ratio) is known to change in sensitivity during the course of a day. / Lorsqu'un organisme est déshydraté, les neurones dans l'Organum vasculosum lamina terminalis (OVL T) détectent le changement dans l'osmolalité du plasma (OSM) et excitent les cellules magnocellulaires neurosécrétoires (MNCs) dans le noyau supraoptique (SON) avec des synapses glutamatergique. La décharge des potentiels d'action qui survient dans les MNCs génère la sécrétion de vasopressine (VP) dans le sang, qui permettra la réabsorption d'eau au niveau du rein. Le rapport entre la VP et OSM (connu comme étant le rapport VP/OSM) subit des changements de sensibilité durant une journée.

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