epiphysis separates from the diaphysis along the epiphyseal plate; tends to occur where cartilage cells are dying and calcification of the matrix is occurring
Back
head
Front
bony expansion carried on a narrow neck
Back
tubercle
Front
small rounded projection or process
Back
spine
Front
sharp, slender, often pointed projection
Back
fossa
Front
Shallow, basinlike depression in a bone, often serving as an articular surface
Back
meatus
Front
canal-like passageway
Back
sinus
Front
Cavity within a bone, filled with air and lined with mucous membrane
Back
greenstick
Front
incomplete breaks incompletely, much in the way a green twig breaks. only one said of the shaft breaks; the other side bends; common in children, whose bones have relatively more organic matrix and are more flexible that those of adults
Back
depressed
Front
broken bone portion is pressed inward; typical of skull fracture
Back
sprial
Front
ragged break occurs when excessive twisting forces are applied to a bone; common sports fracture
Back
crest
Front
narrow ridge of bone; usually prominent
Back
trochanter
Front
very large, blunt, irregularly shaped process (the only examples are on the femur)
Back
fissure
Front
Narrow, slitlike opening
Back
groove
Front
furrow
Back
process
Front
any bony prominence
Back
condyle
Front
rounded articular projection, often articulates with a corresponding fossa
Back
compression
Front
bone is crushed; common in porous bones (i.e. osteoporotic bones) subject to extreme trauma as in a fall
Back
tuberosity
Front
large rounded projection; may be roughened
Back
line
Front
narrow ridge of bone; less prominent than a crest
Back
notch
Front
indentation at the edge of a structure
Back
facet
Front
smooth, nearly flat articular surface
Back
foramen
Front
round or oval opening through a bone
Back
comminuted
Front
bone fragments into three or more pieces; particularly common in the aged, whose bones are more brittle