Skeletal System Outline (Chapter 6)

Ramus – arm like bar of bone. Depressions and openings allowing blood vessels and nerve fibers to pass. Meatus – canal like passage way. Sinus – Cavity within bone filled with air and lined with mucous membrane. Fossa – shallow basin like depression in bone. Fissure – narrow, slit like opening. Foramen – round or oval opening ... ................
................