undergo the process of mitosis and form osteoblasts
form bone matrix by secreting collagen; no mitosis
Mature cells, develop from osteoblasts, control day-to-day activities (each occupies a lacuna, a pocket sandwiched between layers of matrix
remodeling: when blood calcium level is low, these cells break down bone to release calcium and phosphorous
Bone Lining Cells
made from osteoblasts along the surface of most bones in adults, regulates the movement of calcium and phosphate into and out of the bone
the formation of blood cells in the living body (especially in the bone marrow)
most common, tips of bones at joints, soft part of the nose, supporting rings of the trachea. Prominent in early development
matrix packed with elastic fibers, making it more flexible. found in external ear and epiglottis of larynx
few lacunae and chondrocytes. matrix packed with collagen fibers. found in the intervertebral disks, knee menisci and pubic symphisys
Tough, tight-fitting membrane that coves a bone's surface and contains blood vessels that transport nutrients into the bone
means "little lake," small pockets situated between lamellae containing osteocytes of compact bone.
longitudinal canal carrying blood vessels and nerves
basic functional unit of the bone
Type of bone that is light and has pores found near joints
vascular membrane that lines the inner surface of long bones
concentric, ring-linke arrangement of bone tissue
connect central canals and hold blood vessels and nerves
tightly solid, strong bone tissue resistant to bending
the main section of a long bone
the end of a long bone
cavity within the shaft of the long bones filled with bone marrow
thin hyaline cartilage layer that covers epiphyses of bones in synovial joints
small canals radiating in all directions from launae, allowing for communication between osteocytes
cartilage plate between epiphysis and diaphysis and allows growth to occur
sponge like apperance of the cancellous bone
bone connecting trabeculae; also known as spongy bone
the growing part of a long bone between the diaphysis and the epiphysis
Narrowing of the neural canal or nerve root canals in the lumbar spine.
an inherited skeletal disorder beginning before birth
Juvenile Rheumatoid Arthritis
a form of rheumatoid arthritis that affects children
a form of arthritis thats effects the spine and adjaciant structures
malignant bone tumor
abnormal loss of bony tissue resulting in fragile porous bones attributable to a lack of calcium
rupture of the soft tissue that separates two vertebral bones into the spinal canal
an abnormal lateral curve to the vertebral column
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