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Foramen spinosum

Recommended video: Cranial fossae [11:38]
Structures of the cranial fossae.

The foramen spinosum is a small, oval opening located in the greater wing of the sphenoid bone at the base of the skull.

It is positioned posterolateral to the larger foramen ovale and connects the infratemporal fossa with the middle cranial fossa of the cranial cavity.

This foramen serves as a passageway for the middle meningeal artery and vein and the meningeal branch of mandibular nerve (CN V3).

Terminology English: Foramen spinosum

Latin:
Foramen spinosum
Definition Small, oval opening located in the greater wing of the sphenoid bone
Function Transmits the middle meningeal artery, vein, and meningeal branch of the mandibular nerve

Learn more about the foramen spinosum in the following study unit:

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