Types of Bone: Compact Bone

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Questions and Answers

What is the main component of an osteon in compact bone?

  • Volkmann canals
  • Concentric lamellae (correct)
  • Osteocytes
  • Haversian canal

What is the term for the thin plates of bone found in spongy bone?

  • Osteons
  • Haversian systems
  • Lacunae
  • Trabeculae (correct)

What type of ossification occurs within fibrous connective tissue membranes?

  • Intramembranous ossification (correct)
  • Hyaline ossification
  • Spongy ossification
  • Endochondral ossification

What is the term for the canals that communicate between osteons in compact bone?

<p>Volkmann canals (B)</p> Signup and view all the answers

What type of cells differentiate into osteoblasts during bone formation?

<p>Mesenchymal cells (C)</p> Signup and view all the answers

What is the process by which new bone tissue is added beneath the periosteum?

<p>Appositional growth (D)</p> Signup and view all the answers

What is the function of osteogenic cells in bone growth?

<p>They differentiate into osteoblasts (B)</p> Signup and view all the answers

What is a characteristic feature of bone matrix?

<p>It is calcified (A)</p> Signup and view all the answers

What is the difference between bone and cartilage growth?

<p>Bone grows by appositional growth, while cartilage grows by interstitial growth (D)</p> Signup and view all the answers

What is the fate of osteoblasts in bone growth?

<p>They cannot divide, not even to replace themselves (A)</p> Signup and view all the answers

What is the approximate percentage of organic materials in the dry weight of bone?

<p>25% (D)</p> Signup and view all the answers

What is the primary component of the inorganic materials in bone matrix?

<p>Calcium in the form of hydroxyapatite (D)</p> Signup and view all the answers

Which of the following cells is NOT involved in bone formation and maintenance?

<p>Osteoclasts (A)</p> Signup and view all the answers

What is the function of the endosteum?

<p>To line the bone marrow cavity and spaces (D)</p> Signup and view all the answers

What would be the result if the organic bone matrix were removed?

<p>The bone would become more fragile (B)</p> Signup and view all the answers

What is the primary function of osteoblasts in bone development?

<p>Form and secrete bone matrix proteins (C)</p> Signup and view all the answers

What is the purpose of small matrix vesicles in osteoblasts?

<p>Contain alkaline phosphatase enzyme (A)</p> Signup and view all the answers

What is a characteristic feature of osteocytes?

<p>Branched shape with cytoplasmic processes (D)</p> Signup and view all the answers

What is the origin of osteoclasts?

<p>Fusion of monocytes (A)</p> Signup and view all the answers

What is the consequence of osteocyte death in bone tissue?

<p>Resorption of the calcified matrix (A)</p> Signup and view all the answers

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