Preferred Label : fourth ventricle median aperture;
Uberon definition : The large midline opening of the posterior inferior part of the roof of the fourth
ventricle that connects the fourth ventricle to the posterior cerebromedullary cistern
and the spinal cord;
Uberon synonym : foramen of Majendie; foramen of Magendie; median aperture of fourth ventricle;
The large midline opening of the posterior inferior part of the roof of the fourth
ventricle that connects the fourth ventricle to the posterior cerebromedullary cistern
and the spinal cord