3D Osteology
All visual materials are sourced directly from the app 3D Osteology
The groove for the marginal sinus is a groove that extends along the inferior margin of the foramen magnum. (8,11)
Bring Anatomy to life
The groove for the marginal sinus is a groove that extends along the inferior margin of the foramen magnum. (8,11)
The groove for transverse sinus is a groove that runs horizontally on either side of the horizontal divisions of the Cruciform eminence. (1,8)
The internal occipital crest is the lower division of the cruciate eminence. (1,8)
Internal occipital protuberance: The internal occipital protuberance is a rounded elevation positioned in the middle of the cruciform eminence (1,8)
The cruciform eminence is a structure situated on the internal surface of the squamous part that divides this surface of the squamous part into four fossae. (two superior and two inferior). (1,8)