Structures passing through foramen spinosum is:
The foramen spinosum is situated posterolateral to foramen ovale in the lateral part of middle cranial fossa.
Structures passing through the foramen spinosum:

Middle meningeal artery.
Meningeal branch of mandibular nerve or Nervus spinosus.
Middle meningeal vein - posterior trunk.
Accessory meningeal artery
Middle meningeal artery
Mandibular nerve
Maxillary nerve