Narrow ridge of bone

Rounded articular projection providing for articulation with another bone

Condyle

Crest

Narrow, crack-like opening

Round or oval opening through bone that allows passage of nerves and blood vessels

tunnel-like passageway

Shallow, basinlike depression in a bone often serving as articular surface

Cavity within a bone, filled with air

Foramen

Meatus/Canal

A projection that provides for attachment

The junction between two bones that is an immovable articulation

Provides a joint for a mandible to fit into the skull

A round prominence that articulates with atlas and joins the first 2 cervical vertebrae

Allows for passage of the spinal cord to connect to the brain

Projection on the back of the vertebrae that provides point for attachment for muscles and ligaments

A passageway that leads to the inner ear