Anterior cranial fossa

The anterior cranial fossa lies most anteriorly at the highest level of the internal cranial base above the nasal cavity and orbit. This fossa is occupied by the frontal lobes of the brain, olfactory bulb and tract.

It is formed by the:

The borders of the anterior cranial fossa are formed by:

    The lesser wings of the sphenoid bone separate the anterior cranial fossa from the middle cranial fossa.

      The anterior cranial fossa contains few openings: