median aperture of fourth ventricle


me·di·an ap·er·ture of fourth ven·tri·cle

[TA] the large midline opening in the posterior inferior part of the roof of the fourth ventricle, connecting the ventricle with the posterior cerebellomedullary cistern (cisterna magna). Synonym(s): apertura mediana ventriculi quarti [TA], arachnoid foramen, foramen of Magendie

me·di·an ap·er·ture of fourth ven·tri·cle

(mē-dē'ăn ap'ĕr-chŭr fōrth ven'tri-kĕl) [TA] The large midline opening in the posterior inferior part of the roof of the fourth ventricle, connecting the ventricle with the posterior cerebellomedullary cistern.
Synonym(s): apertura mediana ventriculi quarti [TA] .