Pacchionian foramen means: incisurae tentorii (aka tentorial notch) a thick opening in the center of the diaphragm of sella through which the infundibulum passes The Pacchionian foramen (incisura tentorii) is important due to some types of brain herniation through it i.e. supratentorial infratentorial herniation.
This page contains content from the copyrighted Wikipedia article "Pacchionian foramen"; that content is used under the GNU Free Documentation License (GFDL). You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.
