Bone Structure Definitions

STUDY
PLAY
Angle
A corner
Body
main part of the bone
Condyle
rounded bump or large rounded prominence
Crest
Moderately raised and therefore prominent boarder or edge
Diaphysis
Shaft (main section) of long bone
Epicondyle
Bump near a condyle, often gives appearance of a "bump on a bump"

*for muscle attachment
Epiphysis
The end part of a long bone which usually has a larger diameter than the shaft part of the bone (aka diaphysis)
Facet
A smooth flat articular surface

*usually form a joint with another facet or flat bone
Fissure
Long, crack-line hole for blood vessels & nerves
Foramen
Round hole through which blood vessels, nerves, or ligaments pass
Fossa
A shallow depression

*often for articulations to form joint
Head
A rounded projection that forms part of a joint
Line
Similar to a crest but not raised as much
Margin
Edge of a flat bone, or flat portion of the edge of a flat area
Meatus
Tube-like opening or channel extending within a bone
Neck
Section of bone between head and shaft, it's the narrow portion
Notch
The V-like depression in the margin or edge of a flat area
Process
A raised area or projection
Ramus
Curved portion of a bone, like a rams horn
Sinus
Cavity within a bone
Spinous Process
Similar to a crest but raised higher; a sharp, pointed, slender projection
Sulcus
Groove, crevice or furrow, channel like

*may accommodate a blood vessel, nerve, or tendon
Trochanter
Large blunt bump like projection

*it's larger than a tuberosity, which is larger than a tubercle
Tuberosity
Large rounded or oblong projection that may look like a raised bump

*often sites for muscle attachment
*larger than tubercle
Tubercle
Small tuberosity that be also be described as a round nodule or warty outgrowth
YOU MIGHT ALSO LIKE...