Microscopic Structure of Compact Bone (Study Sheet)

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Vocabulary-style flashcards covering key structural components of compact bone.

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7 Terms

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Osteon (Haversian system)

The whole circular unit of compact bone.

<p>The whole circular unit of compact bone.</p>
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Central (Haversian) canal

The central canal that runs through the osteon and contains blood vessels and nerves.

<p>The central canal that runs through the osteon and contains blood vessels and nerves.</p>
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Lamellae

Concentric rings around the central canal, like tree rings.

<p>Concentric rings around the central canal, like tree rings.</p>
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Lacunae

Tiny spaces within the lamellae that house osteocytes.

<p>Tiny spaces within the lamellae that house osteocytes.</p>
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Canaliculi

Small channels connecting lacunae for nutrient and waste exchange.

<p>Small channels connecting lacunae for nutrient and waste exchange.</p>
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Perforating (Volkmann's) canals

Canals that run perpendicular to osteons and connect them.

<p>Canals that run perpendicular to osteons and connect them.</p>
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Interstitial lamellae

Leftover lamellae filling gaps between osteons.

<p>Leftover lamellae filling gaps between osteons.</p>