Across
- 4. allows passage of the jugular vein, the largest vein of the head, which drains the brain; just anterior to it in the cranial cavity is the internal acoustic meatus, which transmits cranial nerves VII and VIII
Down
- 1. spans the width of the skull and forms part of the floor of the cranial cavity
- 2. the outermost covering of the brain attaches to this projection
- 3. lie inferior to the parietal bones; they join them at the squamous sutures