diaphysis
The shaft of a long bone
epiphysis
wide ends of a long bone
compact bone
hard bone beneath periosteum mainly found in shaft
spongy bone
Type of bone that is light and has pores found near joints
red marrow
bone marrow of children and some adult bones that is required for the formation of red blood cells
yellow marrow
bone marrow that is yellow with fat
articular cartilage
thin hyaline cartilage layer that covers epiphyses of bones
periosteum
Outermost fibrous layer that supplies blood and nerves to the bone
endosteum
vascular membrane that lines the inner surface of long bones
medullary cavity
hollow space within the shaft of the long bones filled with bone marrow
osteocyte
mature bone cell
lacunae
small spaces between the lamellae which contain osteocytes
osteonic canal
The central canal in the osteon which contains a blood vessel, interconnected by Volkmann's canals.
osteon
only found in compact bone, made up of concentric circles.
lamellae
The concentric rings found in bone matrix
osteoblast
bone-forming cell
osteoclast
cell that functions in the breakdown and resorption of bone tissue
matrix
Calcium, phosphorus, collagen, and other inorganic mineral salts creating the hard tissue of bone.
canaliculi
small canals radiating in all directions from launae, allowing for communication between osteocytes
volkmann's canal
horizontal canals between osteons; contain a nerve and a blood vessel