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The Circumventricular Organs: An Atlas of Comparative Anatomy and Vascularization
Brain Research Reviews, 2007 The circumventricular organs are small sized structures lining the cavity of the third ventricle (neurohypophysis, vascular organ of the lamina terminalis, subfornical organ, pineal gland and subcommissural organ) and of the fourth ventricle (area postrema).
Pierre-Yves Risold, Henri M Duvernoy
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Circumventricular organs and fever
American Journal of Physiology-Regulatory, Integrative and Comparative Physiology, 1997 We have examined the roles of three circumventricular organs, the area postrema, the subfornical organ, and the organum vasculosum of the lamina terminalis (OVLT), as possible access points for circulating pyrogens to cause fever. In conscious, unrestrained rats prepared with telemetry devices, intracerebroventricular cannulas, and intravenous ...
Y, Takahashi +3 more
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Serotonin Distribution in the Circumventricular Organs of the Rat
Anatomy and Embryology, 1983Serotonin-immunoreactive structures in the circumventricular organs (organum vasculosum laminae terminalis, subfornical organ, subcommisural organ and area postrema) of the rat were demonstrated using a modified peroxidase-antiperoxidase immunohistochemical method.
Y, Takeuchi, Y, Sano
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Sensory Circumventricular Organs in Health and Disease
Acta Neuropathologica, 2010Circumventricular organs (CVOs) are specialized brain structures located around the third and fourth ventricles. They differ from the rest of the brain parenchyma in that they are highly vascularised areas that lack a blood-brain barrier. These neurohaemal organs are classified as "sensory", when they contain neurons that can receive chemical inputs ...
Silvia Siso, Martin Jeffrey
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Ultrastructural Changes in the Circumventricular Organs After Experimental Subarachnoid Hemorrhage
Neurological Research, 2005 Objectives: Circumventricular organs (CVOs) are fine, periventricular, neurotransmitter-rich structures that are devoid of a blood-brain barrier and are known for their secretory role controlling fluid and electrolyte balance, thirst and even ...
Bektas Acikgoz +2 more
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Neurological Research, 2014 The circumventricular organs (CVOs) are essential for most autonomic and endocrine functions. Trauma and bleeding can affect their function. The aim of this study was to investigate apoptosis and necrosis in CVOs in the early period after experimental ...
Bektas Acikgoz +2 more
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Electrophysiology of the Circumventricular Organs
Frontiers in Neuroendocrinology, 1996Since the first anatomical description of the circumventricular organs (CVOs) as a structurally distinct group of regions in the central nervous system (CNS), considerable information has implicated these structures as physiologically significant autonomic control centers located at the blood-brain interface.
A V, Ferguson, J S, Bains
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Vasopressin and sensory circumventricular organs
1999The subfornical organ, the area postrema and the organum vasculosum of the lamina terminalis are considered to be sensory circumventricular organs as they contain neuronal somata which are located outside the blood-brain barrier and are thus capable of serving as 'sensors' for blood-borne humoral messengers. The endocrine hormone, vasopressin (VP), not
M, Jurzak, H A, Schmid
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Organization of the projections of a circumventricular organ: The area postrema in the rat
Journal of Comparative Neurology, 1983AbstractThe projections of the rat area postrema were analysed using antero‐grade and retrograde axonal transport techniques. Discrete injections of wheat germ agglutinin conjugated to horseradish peroxidase (WGA‐HRP) into the area postrema produced anterograde labeling in specific medullary and pontine nuclei.
D, van der Kooy, L Y, Koda
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Clinical and Experimental Pharmacology and Physiology, 2001
SUMMARY1. The adipose tissue‐derived hormone leptin reduces food intake and bodyweight via leptin receptors (Ob‐R) in the hypothalamus.2. Leptin receptor immunoreactivity, demonstrated with an antiserum recognizing all Ob‐R isoforms, is present in hypothalamic neurons of the medial and lateral preoptic area, organum vasculosum lamina terminalis ...
Björn Meister +1 more
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SUMMARY1. The adipose tissue‐derived hormone leptin reduces food intake and bodyweight via leptin receptors (Ob‐R) in the hypothalamus.2. Leptin receptor immunoreactivity, demonstrated with an antiserum recognizing all Ob‐R isoforms, is present in hypothalamic neurons of the medial and lateral preoptic area, organum vasculosum lamina terminalis ...
Björn Meister +1 more
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