circumventricular organ

Medical Dictionary

circumventricular organ cir·cum·ven·tric·u·lar organ (sûr'kəm-věn-trĭk'yə-lər)
n.
Any of the structures in or near the base of the brain that differ from normal brain tissue in having capillaries that lack the usual blood-brain barrier and thus are not isolated from certain compounds in the blood.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Explore Dictionary.com
Previous Definition: circumventor
Next Definition: circumvest
More from Thesaurus.com
Synonyms and Antonyms for circumventricular organ
More from Reference.com
Search for articles containing circumventricular organ
Dictionary.com Word FAQs

Dictionary.com presents 366 FAQs, incorporating some of the frequently asked questions from the past with newer queries.

Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature