Bone Health Flashcards
1
Q
bone composition
A
- 60% inorganic
- 40% organic
- cells- basic multi-cellular units:
- -osteoclast
- -osteoblast
- -osteocyte
- -bone lining cell
2
Q
bone matrix
A
- cortical/compact-rigid/solid
- cancellous/trabecular/spongy
3
Q
bone turnover
A
-turns over metabolically and loses Ca
4
Q
bone modeling
A
- reshaping bones during growth
- resorption/formation
5
Q
bone remodeling
A
- maintaining bone mass and repairing damage
- resorption/formation
6
Q
osteoblast
A
- bone formation
- synthesis of matrix proteins
- immineralization
7
Q
osteoclast
A
- bone resorption
- degenerative of proteins by enzymes and acid
- large, multinucliated cells
8
Q
osteocyte
A
-mature osteoblast embedded in bone or covering the bone surface
