Jugular notch
Incisura jugularis
Definition
The jugular notch (Incisura jugularis) of the petrous part of the temporal bone, contributes to form the jugular foramen with the corresponding notch carved in the occipital bone.
It is an indentation at the back of the irregular border that separates the base* from its cerebellar surface.
*The base of the auricular part of the temporal bone is made of the petrous part (Pars petrosa), the tympanic part (Pars tympanica), and, when it exists, the endotympanic part (Pars endotympanica).
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