Teile des Ventrikelsystems
The term Teile des Ventrikelsystems refers to a part of the brain stem subdivided longitudinally in vertical orientation. It includes the cerebral aqueduct of the midbrain and the fourth ventricle. The other parts are the anteriorer Anteil1, the Tegmentum des Hirnstamms2 and the Tectum (Zilles) (Schiebler-993).