Bone Markings Surface features of bones Categories of bone markings Sites of attachments for muscles, tendons, and ligaments Passages for nerves and blood vessels Categories of bone markings Projections or processes — grow out from the bone surface Depressions or cavities — indentations

Bone Surface Markings projections where muscles, tendons, ligaments attach tuberosity – large rounded projection spinous process (or spine) – sharp, slender, pointed projection trochanter – very large, blunt irregular shaped projection crest – narrow ridge of bone

Bone Surface Markings Projections that help to form joints Head – bony expansion at the end of a long neck Facet – smooth, almost flat surface Condyle – rounded projection Ramus – armlike arm of bone

Bone Surface Markings Depressions and openings fro blood vessels and nerves to pass through Foramen – round or oval opening in a bone Meatus – canal-like Fossa – shallow depression mostly to form a joint