Cartilage Types and Characteristics Quiz
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Questions and Answers

What is the main cellular component of cartilage?

  • Chondrocytes (correct)
  • Osteocytes
  • Fibroblasts
  • Adipocytes
  • What is the primary function of the extracellular matrix (ECM) in cartilage?

  • Support and protection of chondrocytes
  • Diffusion of material from blood vessels (correct)
  • Conduction of electrical signals
  • Storage of fat molecules
  • What is the vascular status of cartilage?

  • Moderately vascularized
  • Sparsely vascularized
  • Avascular (correct)
  • Highly vascularized
  • Which of the following cartilaginous tissues serve(s) as a model for long bones of the fetal skeleton?

    <p>Cartilage 2</p> Signup and view all the answers

    In the accompanying collage of light micrographs of cartilaginous tissues, which numbered type would be involved in the lengthening of bones during the growth period?

    <p>Type 4</p> Signup and view all the answers

    Which of the following are the main components of healthy articular cartilage?

    <p>Type II collagen, chondroitin sulfate, and keratan sulfate</p> Signup and view all the answers

    Which of the following characterizes osteoarthritic hyaline cartilage?

    <p>Type II collagen replaced by type III</p> Signup and view all the answers

    In the accompanying collage of light micrographs of cartilaginous tissues, which feature makes cartilages 1 and 4 different from cartilages 2 and 3?

    <p>Absence of blood vessels</p> Signup and view all the answers

    Formation of long bones depends on the presence of a hyaline cartilage model. By which mechanism(s) hyaline cartilage model grows to acquire the shape of the future long bone?

    <p>By appositional growth</p> Signup and view all the answers

    What makes SR’s articular hyaline cartilage incapable of full recovery?

    <p>Articular cartilage is avascular</p> Signup and view all the answers

    In the vertebral column, herniation of the intervertebral disc is best described by which of the following?

    <p>Development of a fissure in the annulus fibrosus through which a Jellylike content of the nucleus pulposus can pass</p> Signup and view all the answers

    Which type of cartilage is found in the intervertebral discs and is prone to developing fissures and potentially leading to disc herniation?

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

    What is the main structural component of the annulus fibrosus in the intervertebral discs?

    <p>Type I collagen fibers</p> Signup and view all the answers

    Which type of cartilage is found in articular surfaces and is irreparable if injured due to the absence of perichondrium?

    <p>Hyaline cartilage</p> Signup and view all the answers

    What is the process of hyaline cartilage formation from mesenchyme tissue through the differentiation of chondroblasts called?

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

    In which type of cartilage can rows of chondrocytes be observed separated by type I collagen fibers?

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

    Which type of cartilage contains type II collagen fibrils, proteoglycans, and multi-adhesive glycoproteins in the extracellular matrix?

    <p>Hyaline cartilage</p> Signup and view all the answers

    Which type of cartilage is located in the trachea and bronchi?

    <p>Hyaline cartilage</p> Signup and view all the answers

    What is the characteristic feature of hyaline cartilage due to different concentrations of proteoglycans in the matrix?

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

    What is the type of growth that involves new cartilage at the surface of preexisting cartilage?

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

    What is the main component of the nucleus pulposus in the intervertebral discs?

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

    What is the primary component of fibrocartilage located in the intervertebral discs and pubic symphysis?

    <p>Type I collagen</p> Signup and view all the answers

    What is the process of cartilage formation from mesenchyme tissue through the differentiation of chondroblasts?

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

    Study Notes

    Types of Cartilage and Their Characteristics

    • Three types of cartilage: Hyaline cartilage, Elastic cartilage, Fibrocartilage
    • Hyaline cartilage: Contains type II collagen fibrils, proteoglycans, and multi-adhesive glycoproteins in the extracellular matrix (ECM)
    • Hyaline cartilage: Shows metachromasia due to different concentrations of proteoglycans in the matrix
    • Hyaline cartilage: Found in articular surfaces, epiphyseal growth plate, trachea, and bronchi
    • Fibrocartilage: Contains chondrocytes, chondrocytes fibroblasts, and type I collagen
    • Fibrocartilage: Located in intervertebral discs, pubic symphysis, and attachment of ligaments to articular cartilage
    • Chondrogenesis: Process of hyaline cartilage formation from mesenchyme tissue through the differentiation of chondroblasts
    • Cartilage growth: Involves both appositional growth (new cartilage at the surface of preexisting cartilage) and interstitial growth (new cartilage within the cartilage mass)
    • Articular cartilage: Irreparable if injured due to absence of perichondrium at sites where cartilage makes direct contact with bone
    • The annulus fibrosus of intervertebral discs is made of concentric fibrocartilage, while the nucleus pulposus contains viscous fluid rich in hyaluronan and type II collagen fibrils
    • Fibrocartilage in the intervertebral disc can develop fissures, leading to disc herniation and potential compression of spinal nerves
    • Fibrocartilage can be observed in photomicrographs as rows of chondrocytes separated by type I collagen fibers.

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    Description

    Test your knowledge of the different types of cartilage and their characteristics with this quiz. Explore the unique properties and locations of hyaline cartilage, elastic cartilage, and fibrocartilage, and learn about processes such as chondrogenesis and cartilage growth. Gain insights into the roles of these cartilage types in various anatomical structures and potential implications for injuries.

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