General Skeleton Flashcards
Osteon
A Haversian canal and its surrounding lamellae
Central canal
Large, black circles that allow for blood vessels & nerves to pass through
Canaliculi
Channels that connect lacunae to osteocytes for communication
Lamellae
Onion-like layers surrounding central canal
Periosteum
Membrane of blood vessels & nerves that wrap around most bones
Osteocytes
Bone cells
Osteoblasts
Immature bone cells that develop bone
Osteoclasts
Specialized cell that absorbs & removes bone
Axial
The bones that line up along the central core of the body
Appendicular
Bones comprised of the upper & lower extremities
Long
Bones that are longer than they are wide, primarily used for movement
Short
Bones equal in length & width, allowing for some limited movement
Flat
Plate-like bones primarily used for protection
Irregular
Atypically shaped bones used for a variety of purposes
Sesamoid
Bones that form inside of tendons in response to strain
Sutural
Additional bones in the skull entirely surrounded by sutures
Condyle
A rounded knob that articulates with another bone
Epicondyle
An expanded region superior to a condyle
Crest
A narrow ridge
Facet
A smooth, flat, slightly concave articular surface
Fissure
A slit through a bone
Foramen
A hole through a bone, usually round
Fossa
A shallow, broad, or elongated basin
Head
The prominent expanded end of a bone, sometimes rounded
Meatus
An opening into a canal
Process
A bulging bony outgrowth of a larger bone
Protuberance
A bony outgrowth or protruding part
Sinus
An air-filled space in a bone
Spine
A sharp, slender, or narrow process
Ramus
Branch-like structure on a bone
Trochanter
2 massive processes unique to the femur
Tubercle
A small, rounded process
Tuberosity
A rough, elevated surface
