interventricular foramenmedical dictionary

<anatomy> The short, often slitlike passage that, on both the left and right side, connects the third brain ventricle (of the diencephalon) with the lateral ventricles (of the cerebral hemispheres); the passage is bounded anteriomedially by the column of fornix and posterolaterally by the anterior pole of the thalamus.

Synonyms: foramen interventriculare, Monro's foramen, porta.

(05 Mar 2000)