Bones and Beyond
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Questions and Answers

Which type of bone formation involves the formation of bone directly from or within mesenchyme?

  • Ossification
  • Osteogenesis
  • Endochondral ossification
  • Intramembranous ossification (correct)
  • What is the process by which bone is formed called?

  • Mineralization
  • Calcification
  • Osteogenesis (correct)
  • Ossification
  • When does bone formation begin?

  • During adolescence
  • During adulthood
  • During embryonic development (correct)
  • During old age
  • What is the function of osteoblasts in bone formation?

    <p>Formation of osteoid matrix</p> Signup and view all the answers

    What is the process of mineralization in bone formation?

    <p>Calcification of osteoid matrix</p> Signup and view all the answers

    Which type of bone formation involves the formation of bone from hyaline cartilage models?

    <p>Endochondral ossification</p> Signup and view all the answers

    When do lacunae, which contain osteocytes and calcified matrix, appear in bone formation?

    <p>During adulthood</p> Signup and view all the answers

    Which cells differentiate into osteoblasts in bone formation?

    <p>Osteoprotenitor cells</p> Signup and view all the answers

    What is the process by which the osteoid matrix hardens called?

    <p>Calcification</p> Signup and view all the answers

    When does intramembranous ossification occur?

    <p>During embryonic development</p> Signup and view all the answers

    Which process involves the replacement of hyaline cartilage by bone?

    <p>Endochondral ossification</p> Signup and view all the answers

    What covers the cartilage model during the formation of bone?

    <p>Perichondrium</p> Signup and view all the answers

    Which type of growth occurs by chondrocyte cell division and matrix formation in the cartilage model?

    <p>Interstitial growth</p> Signup and view all the answers

    What triggers calcification and chondrocyte death in the mid region of the cartilage model?

    <p>Change in pH</p> Signup and view all the answers

    What is the only means by which the diaphysis can increase in length?

    <p>Activity of the epiphyseal plate</p> Signup and view all the answers

    What happens when the epiphyseal plate closes?

    <p>It is replaced by bone</p> Signup and view all the answers

    Which zone of the growth plate anchors it to the bone?

    <p>Zone of resting cartilage</p> Signup and view all the answers

    Which zone of the growth plate is characterized by rapid cell division?

    <p>Zone of proliferating cartilage</p> Signup and view all the answers

    Which zone of the growth plate is characterized by cells that enlarge and remain in columns?

    <p>Zone of hypertrophic cartilage</p> Signup and view all the answers

    What occurs in the zone of calcified cartilage in the growth plate?

    <p>Extracellular matrix calcification and cell death</p> Signup and view all the answers

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