skull terms

process

any projection or bump

ramus:

an extension of a bone making an angle with the rest of the structure

trochanter:

a large, rough projection

tuberosity:

a smaller, rough projection

tubercle:

a small, rounded projection

crest:

a prominent ridge

line:

a low ridge

spine:

a pointed process

head:

the expanded articular end of an epiphysis, separated from the shaft by a neck

epiphysis:

rounded end of a long bone

neck:

narrow connection between epiphysis and diaphysis

diaphysis:

main central section of a long bone

condyle:

smooth, rounded articular process

trochlea:

smooth, grooved articular process shaped like a pulley

facet:

small, flat articular surface

fossa:

a shallow depression

sulcus:

narrow groove

foramen:

rounded passageway for blood vessels or nerves

canal:

passageway through the substance of a bone

fisure:

elongated cleft

sinus/ antrum:

chamber within a bone, usually filled with air