Bone Markings

Notch

A V-like depression in the margin or edge of a flat area

Sinus

A cavity within a bone

Angle

A corner

Neck

A narrowed portion, usually at the base of a head

Process

A raised area or projection

Epicondyle

Bump near a condyle; often gives the appearance of a "Bump on a bump;" for muscle attachment

Ramus

Curved portion of a bone, like a ram's horn

Fossa

Depression; often receives an articulating bone

Head

Distinct epiphysis on a long bone, separated from the shaft buy a narrowed portion (or neck)

Margin

Edge of a flat bone or flat portion of the edge of a flat area

Facet

Flat surface that forms a joint with another facet or flat bone

Sulcus

Groove or elongated depression

Trochanter

Large bump for muscle attachment (larger than a tubercle or tuberosity)

Fissure

Long, crack-like hole for blood vessels and nerves

Crest

Moderately raised ridge; generally on a site for muscle attachment.

Tuberosity

Oblong, raised, bump, usually for muscle attachment; a small tuberosity is called a tubercle.

Foramen

Round holes for vessels and nerves

Condyle

Rounded bump; usually fits into a fossa on another bone to form a joint.

Line

Similar to a crest, but not raised as much (is often rather faint)

Spine

Similar to a crest, but raised more; a sharp, pointed process; for muscle attachment.

Body

The main portion of a bone

Meatus

Tube-like opening or channel