Circumventricular organs

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Science and technology

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What Wikipedia says

Circumventricular organs (CVO; circum: around, ventricular: of ventricle) are structures in the brain characterized by their extensive and highly permeable capillaries, unlike those in the rest of the brain where there exists a blood–brain barrier (BBB) at the capillary level.

Excerpt from the Wikipedia article “Circumventricular organs”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Marina Bentivoglio; Krister Kristensson; Martin E. Rottenberg, CC BY 4.0, via Wikimedia Commons.