median aperture of fourth ventricle


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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).
Farlex Partner Medical Dictionary © Farlex 2012

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] .
Medical Dictionary for the Health Professions and Nursing © Farlex 2012