Anatomical terms for bone features

Body

largest segment of the body

Head

enlarged (often rounded) surface on bone

Neck

constriction between head and body

Margin

edge of a bone

Condyle

smooth (often rounded) articular surface on bone

Facet

small, flattened articular surface on bone

Line

low, elongated ridge

Crest

prominent ridge

Spine

high, sharp ridge

Process

a raised, sharp elevation of bone

Tubercle

small rounded bump or process

Tuberosity

mid-size bump or process, largen that a tubercle

Trochanter

large bump or process on the side of a bone

Foramen

hole through bone

Canal

tunnel or tubelike passage in bone

Fissure

open cleft or slit through bone

Sinus

air-filled cavity or space in bone

Fossa

shallow, elongated depression or pit on the surface of a bone

Notch

depression or pit on the edge of a bone

Groove

deep but narrow depression or pit on the surface of a bone