Bone Markings

Condyle, Facet, Head, Trochlea

Articulating Surfaces

Alveolus, Fossa, Sulcus

Depressions

Crest, Epicondyle, Line, Process, Ramus, Spine, Trochanter, Tubercle, Tuberosity

Projections for tendon and ligament attachment

Canal, Fissure, Foramen, Meatus, Sinus

Openings and spaces

Condyle

A smooth structure, either concave or convex, joined directly to the shaft of a long bone

Facet

Small, flat, shallow surface;

Smooth surface for articulation

Head

A prominent, rounded articular surface

Trochlea

Smooth, grooved, pulley-like process

Alveolus

Deep pit or socket in the maxillae or mandible

Fossa

A shallow depression

Sulcus

Groove (narrow) or depression

Crest

A prominent border that may be rough

Epicondyle

Projection adjacent to a condyle

Line

Low ridge

Process

A roughened bony prominence; typically serves as the site of attachment for muscles or connective tissue structures

Ramus

Angular extension of a bone relative to the rest of the structure

Spine

a pointed projection of bone

Trochanter

A relatively large, blunt process found only on the femur

Tubercle

A small, blunt or rounded process

Tuberosity

A large, blunt or rounded process or roughened surface

Canal

Passageway through a bone

Fissure

Narrow, slitlike opening through a bone

Foramen

A hole in a bone; size is variable

Meatus

Canal

Sinus

Cavity or hollow space in a bone

Fovea

Deep cylindrical depression

Margin

Edge of a bony process or cavity