Structure passing through foramen Rotundum is
The foramen rotundum: it leads posteriorly to the pterygopalatine fossa containing pterygopalatine ganglia. Maxillary nerve passes throgh the foramen rotundum. Ref BDC volume:3,6th edition
Ophthalmic nerve
Mandibular nerve
Maxillary nerve
Abducens nerve
Head and neck