circumventricular organs


The term circumventricular organs refers to accumulations of highly-vascularized, functionally specialized tissues distributed principally along the midline of the ventricular system from the forebrain to the hindbrain. They include the subfornical organ, the supraoptic crest, the median eminence, the neurohypophysis, the pineal body, the subcommissural organ and the area postrema. Some authors include the choroid plexus.


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