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Anatomy > Bone Histo > Flashcards

Bone Histo Flashcards

1
Q

functions of bone (5)

A 
protection
support
movement
storage
blood cell formation
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2
Q

Composition of ECM

A

Osteoid: type 1 collagen, BMP (osteocalcin)

Inorganic hydroxyapetite

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3
Q

Primary bone

A

Woven/immature

disorganized

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4
Q

Secondary bone

A

Lamellar/mature

Highly organized

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5
Q

Bone

histologically

A

Eosinophilic

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6
Q

Osteoblast

Histologically

A

Basophilic b/c of rought ER to produce osteoid

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7
Q

Osteoid composition

A

Type 1 collagen

Osteocalcin

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8
Q

Canaliculi communicate through

A

Gap junctions

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9
Q

Young osteons are larger/smaller than old osteocytes

A

Larger

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10
Q

Spongy Bone vs compact bone

A

Does not contain osteons
Trabeculae surround red marrow space
Lamelae not around central canal

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Anatomy (13 decks)

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