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