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Bones > Compact + Spongy Bone > Flashcards

Compact + Spongy Bone Flashcards

1
Q

Osteon (Haversian System)

A

Structural unit of compact bone; elongated cylinder

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2
Q

Central Canal

A

Runs through core of osteon; contains blood vessels and nerve fibers

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3
Q

Perforating (Volkmann’s) Canal

A

Lined with endosteum; connects blood vessels and nerves of periosteum, medullary cavity, and central canal

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4
Q

Lacunae

A

Small cavities that contain osteocytes

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5
Q

Osteocytes

A

Bone cell

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6
Q

Canaliculi

A

hairlike canals; connect lacunae to each other and central canal

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7
Q

Interstitial Lamellae

A

Incomplete lamellae; not part of osteon; fills gaps between forming osteons

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8
Q

Circumferential Lamellae

A

Deep to periosteum; superficial to endosteum; entire surface of diaphysis; resists twisting of long bone

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9
Q

Compact Bone

A

Aka lamellar bone

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10
Q

Spongy Bone

A

Appears poorly organized

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11
Q

Trabeculae

A

No osteons; irregularly arranged lamellae and osteocytes; capillaries supply nutrients

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Bones (8 decks)

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