bone surface markings

condyle

rounded knob; usually fits into a fossa on another bone to form a joint

facet

a flat surface

head

the prominent, expanded end of a bone

crest

moderately raised bridge

epicondyle

bump superior to a condyle

process

projection or raised area

spine

sharp, pointed process

trochanter

large process; found only in the femur

tubercle

small, rounded process

tuberosity

rough, raised bump, usually for muscle attachment

fossa

furrow or depression

sulcus

groove or elongated depression

canal

tunnel through a bone

fissure

long slit for blood vessels and nerves

foramen

round opening, usually a passageway for vessels and nerve

meatus

tube-like opening

sinus

cavity within a bone

# of bones in body

206; 80 of these make up the axial skeleton (skull, rib cage, and vertebral column; other 126 bones make up the appendicular skeleton (pelvic & shoulder area)

axis

straight line around which a body revolves

appendicular

appendages of the body, arms and legs