Dorello’s canal transmits:
Dorello’s Canal is the bow-shaped enclosure surrounding the abducent nerve, as it enters the cavernous sinus. 
It is present at the medial most end of the petrous ridge at the confluence of the inferior petrosal sinus and cavernous sinus.
Middle meningeal artery
Mandibular nerve
Superior alveolar branch of maxillary nerve
Abducent nerve