Bones Flashcards
1
Q
Circular structures of compact bone
A
Osteons or Haversian systems
2
Q
Membrane cover bone
A
Periosteum
3
Q
3 cells of bone turn over and their roles
A
Osteoclast- break down old bone into a pit
Osteoblast- build new bone in pit made by oesteoclast
Osteocyte- cells found inbedded in the bone. Function unknown
4
Q
Disorder of bone which causes them to be brittle
Give name and reason
A
Osteoporosis
Resorption>formation
5
Q
Disorder of bone where the resorption and formation cycle is too fast
A
Pagets disease
6
Q
Disorder bone which causes it to be dense
Name and reason
A
Osteopetrosis
Resorption is decreased
