Cartilage Structure and Types
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Questions and Answers

What type of cells are found in cartilage?

  • Adipocytes
  • Osteocytes
  • Fibrocytes (correct)
  • Chondrocytes (correct)

What is the primary source of nutrients for cartilage?

  • Blood vessels within cartilage
  • Lymphatic vessels
  • The perichondrium
  • Diffusion from surrounding tissues (correct)

Which of the following statements is true about cartilage?

  • It is a type of epithelial tissue
  • It is supplied by diffusion from surrounding blood vessels (correct)
  • It is a vascular tissue
  • It contains a large amount of elastin

What is the perichondrium responsible for?

<p>Supplying cartilage with nutrients (B)</p> Signup and view all the answers

Why does cartilage not require a direct blood supply?

<p>It can obtain nutrients through diffusion (B)</p> Signup and view all the answers

What percentage of leukocytes in normal blood are monocytes?

<p>3-8% (A)</p> Signup and view all the answers

What is the shape of the nucleus in monocytes?

<p>Oval or kidney-shaped (C)</p> Signup and view all the answers

What do monocytes migrate from in the body?

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

What type of cells do monocytes differentiate into when they migrate to other tissues?

<p>Tissue resident macrophages or dendritic cells (B)</p> Signup and view all the answers

What is the main function of monocytes in the body?

<p>To engulf and digest foreign particles (A)</p> Signup and view all the answers

What is the percentage of monocytes in normal blood?

<p>3-8% (B)</p> Signup and view all the answers

What are the three main types of leukocytes?

<p>NK, B, and T cells (C)</p> Signup and view all the answers

What is the primary function of NK cells?

<p>To directly kill infected cells (A)</p> Signup and view all the answers

Which type of leukocyte is primarily involved in cell-mediated immunity?

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

What is the main difference between B cells and T cells?

<p>B cells are involved in humoral immunity, while T cells are involved in cell-mediated immunity (C)</p> Signup and view all the answers

What is the main function of Red blood cells?

<p>To carry oxygen from the lungs to the body's tissues (A)</p> Signup and view all the answers

What is the primary function of White blood cells?

<p>To fight infections and protect the body against disease (B)</p> Signup and view all the answers

Which type of cells are responsible for blood clotting?

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

Which of the following cells are NOT primarily found in the blood?

<p>Stem cells (D)</p> Signup and view all the answers

What is the term for White blood cells?

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

What distinguishes elastic cartilage from glass-like cartilage?

<p>The abundance of elastic fibers (B)</p> Signup and view all the answers

Where is elastic cartilage typically found?

<p>In areas requiring high mobility and flexibility (A)</p> Signup and view all the answers

What is a characteristic of fibrocartilage?

<p>It is always associated with dense connective tissue (A)</p> Signup and view all the answers

What is unique about the structure of elastic cartilage?

<p>It has a rich network of elastic fibers and collagen fibers (C)</p> Signup and view all the answers

What is the primary function of elastic cartilage?

<p>To facilitate movement and flexibility (A)</p> Signup and view all the answers

Study Notes

Cartilage Structure and Composition

  • Composed of specialized cells called chondrocytes
  • Does not contain blood vessels, but receives supply through diffusion from blood vessels in the perichondrium
  • Contains a perichondrium

Types of Cartilage

  • Elastic cartilage: contains a rich network of elastic fibers, similar to glassy cartilage, with additional collagen fibers
  • Fibrocartilage: always associated with dense connective tissue, contains chondrocytes arranged in long rows separated by collagen fibers

Blood Cells

  • Cells found mainly in the blood include: Red blood cells (Erythrocytes), White blood cells (Leukocytes), and Platelets (Thrombocytes)

Monocytes

  • Constitute only 3-8% of the leukocytes in normal blood
  • Nucleus is oval or kidney-shaped
  • Migrate from the bloodstream to other tissues, then differentiate into tissue resident macrophages or dendritic cells

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Description

This quiz covers the composition and types of cartilage, including elastic and fibrocartilage. Learn about the cells and fibers that make up cartilage and their functions.

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