What stimulates the formation of bone attic around themselves?
Osteoblasts
What are the 3 types of growth for long bones in length?
- Ossification starts in the diaphysis and in both epiphysis and proceeds toward each other
- Epiphyseal cartilage remains between them when bone reaches maturity the epiphyseal cartilage will be missing
2 steps of long bones in diameter?
- Osteoclasts enlarge the diameter of the medullary cavity
2. Osteoblasts build the new bone on the circumference
Bone is continually being what at all ages?
Formed and destroyed
What is senile osteoporosis?
Makes bones weak and holes form in bones.
What causes osteoporosis?
- Lack of activity at old age
2. Lower around of estrogen in blood after menopause in females
What is Side to side or lateral curvature of the spine
Scoliosis
What is “sway back” or exaggerated inward curvature of the lumbar area?
Lordosis
What’s the exaggerated outward curvature in the thoracic area?
Kyphosis “hunch back”
What’s a foramen?
Hole in a bone
What’s hollow or depression of a bone?
Fossa
What’s a meatus?
A tube shaped opening
Ossification is what?
Process whereby prebone structures (hyaline cartilage and fibrous membranes) are replaced with bone
