Marginal sinus (foramen magnum)

Last revised by Assoc Prof Craig Hacking on 13 May 2020

The marginal sinus is a dural venous sinus and runs along the inner margin of foramen magnum. It has numerous communications with regional venous structures 1-2

The vertebral arteries usually pierce the sinus as they enter the intracranial cavity 1

ADVERTISEMENT: Supporters see fewer/no ads

Updating… Please wait.

 Unable to process the form. Check for errors and try again.

 Thank you for updating your details.