Foramen spinosum

The foramen spinosum is located in the posteromedial part of greater wing of sphenoid bone posterolateral to foramen ovale which connects the middle cranial fossa with the infratemporal fossa. It transmits the middle meningeal artery, middle meningeal vein and usually the nervus spinosus.

Variant anatomy

Rarely, the middle meningeal artery originates directly from a persistent stapedial artery, and, as a result, foramen spinosum is either absent or small.

History and etymology

It is derived from the Latin 'spina' meaning thorn. 


Head and neck anatomy
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Article Information

rID: 28234
Section: Anatomy
Tags: pm, refs, cases
Synonyms or Alternate Spellings:

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