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Bone's Bone Structure > Bone Tissue > Flashcards

Bone Tissue Flashcards

1
Q

Bone tissue is made of

A

Dense, supportive, connective tissue

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2
Q

Bone tissue contains (type of cells)

A

Specialized cells

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3
Q

Bone tissue has a (matrix)

A

Solid extracellular matrix with collagen fibers

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4
Q

The bone matrix is dense due to deposits of

A

Calcium salts

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5
Q

Calcium phosphate makes up almost

A

Two-thirds of bone mass

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6
Q

Calcium phosphate interacts with(blank) to form crystals of (blank)

A

Hydroxyapatite

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7
Q

About one-third of bone mass is

A

Collagen fibers

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8
Q

4 types of bone cells

A

0steosenic cells
Osteoblasts
Osteoclasts
Osteocytes

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9
Q

Osteogenic cells divide to produce

A

Osteoblasts

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10
Q

Osteogenic cells assist in

A

Fracture repair

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11
Q

Osteogenic cells are located in

A

Inner cellular layer of periosteum and in endosteum

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12
Q

Osteoblasts are immature cells that produce

A

New bone matrix during osteogenesis

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13
Q

0steogenisis is

A

Ossification

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14
Q

Osteoid

A

Matrix produced by osteoblasts that have not yet become calcified

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15
Q

Osteoblasts surrounded by bone matrix become

A

Osteocytes

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16
Q

Osteocytes are

A

Mature bone cells that do not divide

17
Q

Osteocytes live

A

In lacunae between layers of matrix

18
Q

Osteocytes have cytoplasmic extensions that pass through

A

Canaliculi

19
Q

Osteocytes have two major functions:

A

Maintain protein and mineral content of matrix
Help repair damaged bone

20
Q

Canaiculi

A

Narrow passageways that allow for exchange of nutrients, wastes and gasses

21
Q

Osteoclasts absorb and remove

A

Bone matrix

22
Q

Osteoclasts are

A

Large multinucleate cells

23
Q

Osteoclasts secrete

A

Acids and protein-digesting enzymes

24
Q

Osteolysis

A

Dissolved bone matrix and released stored minerals

Bone's Bone Structure (5 decks)

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