Figure 2.

A myodural bridge (MDB) extending from the anterior fascia of the rectus capitis posterior major (RCPma) and obliquus capitis inferior (OCI) muscles, attaching on the cervical dura mater. The myodural bridge (MDB) communicates with the posterior aspect of the cervical dura mater between the C1 and C2 vertebrae. Used with permission from: The Obliquis Capitis Inferior Myodural Bridge, Clin Anat 2013 26:450 45. Pontell M, Scali F, Marshall E, Enix D. (Original anatomical artwork by Danny Quirk)