General Anatomy Of Bone Flashcards
1
Q
Composition of bone (osteon)
A
Organic - cells and proteins (30-35%)
Water (children)
Inorganic - minerals (60-65%)
2
Q
Mineral in bone
A
Calcium hydroxyapatite
3
Q
Cells in bone
A
Osteocytes (max)
Osteoblasts (builder)
Osteoclasts (cutter)
4
Q
Collagen in bone
A
Type I
5
Q
Osteoblasts enzyme
A
Alkaline phosphatase
6
Q
Osteoclasts enzyme
A
Trap( tartarate resistant acid phosphatase)
Carbonic anhydrase
7
Q
Bone formation markers (bone turnover)
A
Procollagen 1
Osteocalcin
Osteonectin
Alp
8
Q
Parts of bone
A
Epiphysis
Metaphysis
Diaphysis
Surrounded by periosteum
9
Q
Periosteum ankored to bone by
A
Shapey’s fibres
10
Q
Growth plate layers
A
Germinal (growth Epi to meta) Proliferative Hypertrophic (weakest) Calcification Ossification
11
Q
Growth
A
Length (interstitial)
Thickness (appositional)