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Interfaces between the brain and the circulatory system
Circumventricular organs (CVO; circum: around, ventricular: of ventricle) are structures in the brain characterized by their extensive and highly permeable
Circumventricular_organs
Semipermeable capillary interface between blood and the brain
PMID 2891718. Gross PM (1992). "Chapter 31: Circumventricular organ capillaries". Circumventricular Organs and Brain Fluid Environment - Molecular and
Blood–brain_barrier
Sensory structure in the brain
all circumventricular organs, the subfornical organ is well-vascularized, and like all circumventricular organs except the subcommissural organ, some
Subfornical_organ
terminalis (OVLT), or supraoptic crest, is a sensory organ, one of the circumventricular organs of the third ventricle within the lamina terminalis. It is covered
Vascular organ of lamina terminalis
Vascular_organ_of_lamina_terminalis
Endocrine gland in the brain of most vertebrates
of the thalamus join. It is one of the neuroendocrine secretory circumventricular organs in which capillaries are mostly permeable to solutes in the blood
Pineal_gland
Smallest type of blood vessel
ISBN 978-0-07-122207-5. Gross, P. M (1992). "Chapter 31: Circumventricular organ capillaries". Circumventricular Organs and Brain Fluid Environment - Molecular and
Capillary
Below the hypothalamus of the brain
S2CID 26399150. Gross PM (1992). "Chapter 31: Circumventricular organ capillaries". Circumventricular Organs and Brain Fluid Environment - Molecular and
Median_eminence
Medullary structure in the brain that controls vomiting
paired structure in the medulla oblongata of the brainstem, is a circumventricular organ having permeable capillaries and sensory neurons that enable its
Area_postrema
Space surrounding blood vessels
perivascular space, select structures of the brain, such as the circumventricular organs, are notable for having large perivascular spaces surrounding highly
Perivascular_space
Habenular nuclei Stria medullaris Taenia thalami Subcommissural organ Circumventricular organs (also around the Fourth ventricle) Anterior nuclear group Anteroventral
List of regions in the human brain
List_of_regions_in_the_human_brain
The subcommissural organ (SCO) is one of the circumventricular organs of the brain. It is a small glandular structure that is located in the posterior
Subcommissural_organ
Sensory neuron that detects osmotic pressure changes in warm-blooded organisms
structures, including two of the circumventricular organs – the vascular organ of the lamina terminalis, and the subfornical organ. They contribute to osmoregulation
Osmoreceptor
Central organ of the human nervous system
of the basal ganglia, the basal forebrain structures, and three circumventricular organs. Brain structures that are not on the midplane exist in pairs;
Human_brain
Craving for potable fluids experienced by animals
volume, and sodium balance, which are collectively sensed in brain circumventricular organs linked via neural networks to terminate thirst when fluid balance
Thirst
Species of rodent
the hibernation period by a reduced activity of neurons in the circumventricular organs. Thirteen-lined ground squirrels also suppress the cell cycle and
Thirteen-lined ground squirrel
Thirteen-lined_ground_squirrel
Area of the brain below the thalamus
the SFO (subfornical organ) and the OVLT (organum vasculosum of the lamina terminalis) are so-called circumventricular organs, where neurons are in intimate
Hypothalamus
Aspect of psychology
pathway involving cytokines originating from the choroid plexus and circumventricular organs and diffusing into the brain parenchyma by volume transmission
Sickness_behavior
Austrian zoologist and anatomist
the Concept of the Circumventricular Organs". In Oksche, A; Rodriguez, EM; Fernandez-Llebrez, P (eds.). The Subcommissural Organ. Springer. pp. 5–8.
Helmut_Otto_Hofer
Raised body temperature caused by disease
released into general circulation, where they migrate to the brain's circumventricular organs where they are more easily absorbed than in areas protected by
Fever
Specialized ependymal cell in the brain
"Tanycyte-like cells form a blood-cerebrospinal fluid barrier in the circumventricular organs of the mouse brain". J. Comp. Neurol. 521 (15): 3389–405. doi:10
Tanycyte
Physical transition from a child to an adult
B, Håkansson ML (2001). "Leptin receptors in hypothalamus and circumventricular organs". Clinical and Experimental Pharmacology & Physiology. 28 (7):
Puberty
Expulsion of stomach contents via the mouth or nose
stimulation of which can lead to vomiting. The area postrema is a circumventricular organ and as such lies outside the blood–brain barrier; it can therefore
Vomiting
Effects of pollution on the brain
brain via the olfactory nerves and olfactory bulb, or via the circumventricular organs where the blood-brain barrier is more permeable. In addition, the
Brain_health_and_pollution
Cavities within the human brain
with subcortical structures, in glass brain Blood–brain barrier Circumventricular organs Grow, W.A. (2018). "Development of the Nervous System". Fundamental
Ventricular_system
Group of peptide hormones in mammals
00578.x. PMID 10432384. Johnson AK, Gross PM (May 1993). "Sensory circumventricular organs and brain homeostatic pathways". FASEB Journal. 7 (8): 678–86.
Angiotensin
Cells covering neuron soma in PNS ganglia
"Distribution of the glutamate transporters GLAST and GLT-1 in rat circumventricular organs, meninges, and dorsal root ganglia". J. Comp. Neurol. 421 (3):
Satellite_glial_cell
Interactions in the immune system
cells can access the hypothalamus via the neurovascular unit or circumventricular organs. The neuro-immune system, and study of, comprises an understanding
Neuroimmune_system
Class of G protein-coupled receptors
in the heart, blood vessels, kidney, adrenal cortex, lung and circumventricular organs of brain, basal ganglia, brainstem and mediates the vasoconstrictor
Angiotensin_II_receptor
Area of the brain
stomach. Since the CTZ is located in the area postrema, a sensory circumventricular organ, it does not have a blood–brain barrier. This means that large
Chemoreceptor_trigger_zone
Structure of the brain in vertebrates
this commissure at a locus where mammals show the subfornical circumventricular organ, and extends laterally over the interventricular foramen into a
Pallium_(neuroanatomy)
Topics referred to by the same term
US Chief veterinary officer, the head of a veterinary authority Circumventricular organs, positioned around the ventricular system of the brain Common velocity
CVO
Protein-coding gene in the species Homo sapiens
expressed in the hippocampus, the medio-basal hypothalamus and the circumventricular organs. Overexpression of DEPTOR in the medio-basal hypothalamus protects
DEPTOR
cardiovascular regulation, the renin–angiotensin system, and the brain's circumventricular organs. In 1998, Simpson assumed the post of executive vice chancellor
John_B._Simpson
Protein-coding gene in the species Homo sapiens
granular layer. There are also high protein concentrations in the circumventricular organs of the mouse brain. Within the cell, images have shown the protein
C17orf75
Protein-coding gene in the species Homo sapiens
expressed in various regions of the brain (hypothalamic area, circumventricular organs, ependymal cells of the lateral ventricles, meninges), including
PGRMC1
inflammation, which can affect CNS function through activation of circumventricular organs (CVOs). Furthermore, Ang II also plays a role in the neural control
Hypertension_and_the_brain
Study of connection between brain and immune system
through more leaky areas of the blood brain barrier, near the circumventricular organs. Active transport of cytokines in the blood to bypass the Blood
Immuno-psychiatry
German neuroscientist (born 1944)
Regensburg under the supervision of Helmut Altner addressed a circumventricular organ specific for fishes, the saccus vasculosus. In Cambridge, in the
Herbert Zimmermann (neuroscientist)
Herbert_Zimmermann_(neuroscientist)
"Beta-catenin signaling regulates barrier-specific gene expression in circumventricular organ and ocular vasculatures". eLife. 8 e43257. doi:10.7554/eLife.43257
Jeremy_Nathans
Spanish scientist
include the septum, roof plate glial specializations and circumventricular ependymal organs, Brain Structure and Function Archived 2021-04-12 at the Wayback
Arturo_Azcorra
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