General Anatomy Of Bone Flashcards

1
Q

Composition of bone (osteon)

A

Organic - cells and proteins (30-35%)
Water (children)
Inorganic - minerals (60-65%)

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2
Q

Mineral in bone

A

Calcium hydroxyapatite

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3
Q

Cells in bone

A

Osteocytes (max)
Osteoblasts (builder)
Osteoclasts (cutter)

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4
Q

Collagen in bone

A

Type I

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5
Q

Osteoblasts enzyme

A

Alkaline phosphatase

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6
Q

Osteoclasts enzyme

A

Trap( tartarate resistant acid phosphatase)

Carbonic anhydrase

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7
Q

Bone formation markers (bone turnover)

A

Procollagen 1
Osteocalcin
Osteonectin
Alp

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8
Q

Parts of bone

A

Epiphysis
Metaphysis
Diaphysis
Surrounded by periosteum

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9
Q

Periosteum ankored to bone by

A

Shapey’s fibres

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10
Q

Growth plate layers

A
Germinal (growth Epi to meta)
Proliferative
Hypertrophic (weakest)
Calcification
Ossification
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11
Q

Growth

A

Length (interstitial)

Thickness (appositional)

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