Cranial nerve anatomy

Jugular bulb anatomy

Jugular foramen -  bone anatomy intracranial
The jugular foramen bone anatomy presented on a 3D photogrammetry scan of a human skull
Jugular foramen - bone anatomy extracranial
The skull base bone anatomy is presented on a 3D photogrammetry scan of a human skull
Sigmoid sinus  and mastoid antrum exposure
Mastoid has been opened and the sigmoid sinus and the jugular bulb revealed. The mastoid antrum is reached.
Jugular bulb exposure
The jugular bulb as well the lateral and posterior semicircular canals are presented. The facial nerve is preserved in a fallopian bridge.