Chapter 4: Connective Tissue
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Questions and Answers

What is the main characteristic that sets connective tissue apart from other basic tissues?

  • Relative abundance of cells
  • Abundance of extracellular material (correct)
  • Highly cellular composition
  • Paucity of extracellular material
  • From which germ layer are most connective tissues in the body derived?

  • Mesoderm (correct)
  • Ectoderm
  • Exoderm
  • Endoderm
  • Which systems can develop from mesoderm?

  • Skin and reproductive system
  • Cardiovascular system and skeleton (correct)
  • Nervous system and sense organs
  • Endocrine system and blood
  • Which types of tissues fall under the category of 'special types of connective tissue'?

    <p>Cartilage, bone, blood</p> Signup and view all the answers

    Where is connective tissue proper found in the body?

    <p>All over the body</p> Signup and view all the answers

    What does connective tissue allow between body parts?

    <p>Some degree of movement</p> Signup and view all the answers

    What staining technique turns the cytoplasm of mast cells dark purple?

    <p>Toluidine Blue</p> Signup and view all the answers

    Which type of collagen do reticular cells specialize in synthesizing?

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

    What distinguishes fibrocytes from active fibroblasts under proper conditions?

    <p>Smaller size and fewer processes</p> Signup and view all the answers

    Which connective tissue type predominantly consists of reticular fibers?

    <p>Reticular tissue</p> Signup and view all the answers

    What is the main role of mast cells in the body?

    <p>Inducing immediate-type hypersensitivity reactions</p> Signup and view all the answers

    What is a distinguishing feature of the nucleus of reticular cells in H&E preparations?

    <p>Large and lightly-staining nucleus</p> Signup and view all the answers

    What is the average diameter of elastic fibers?

    <p>1.0 micrometers</p> Signup and view all the answers

    What is the main function of proteoglycans in connective tissue?

    <p>Provide structural support</p> Signup and view all the answers

    Which glycosaminoglycan (GAG) is the most abundant in the ground substance of connective tissue?

    <p>Hyaluronic acid</p> Signup and view all the answers

    How do elastic fibers appear when stained with orcein?

    <p>Blue to black</p> Signup and view all the answers

    What type of cells are mesenchymal cells?

    <p>Multipotential stem cells</p> Signup and view all the answers

    What is the characteristic appearance of collagen fibers in H&E preparations?

    <p>Pink staining</p> Signup and view all the answers

    What is the most abundant protein in the body?

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

    What characteristic describes fibroblasts in connective tissues?

    <p>Abundant and synthesize organic components of the ground substance</p> Signup and view all the answers

    How do reticular fibers stain when impregnated with silver salts?

    <p>Blue to black</p> Signup and view all the answers

    Which type of cells are transient in connective tissue?

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

    What distinguishes mesenchymal cells in terms of differentiation?

    <p>Can differentiate into several types of cells</p> Signup and view all the answers

    Which connective tissue represents the largest energy storage site in the body?

    <p>Adipose tissue</p> Signup and view all the answers

    In which part of the body does reticular tissue serve as a shock absorber?

    <p>Soles of the feet</p> Signup and view all the answers

    Where is loose collagenous connective tissue typically found?

    <p>In the hypodermis (subcutaneous tissue)</p> Signup and view all the answers

    What is the predominant component of elastic tissue?

    <p>Elastic fibers</p> Signup and view all the answers

    Which type of connective tissue cells provide support and defense against invading organisms?

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

    What characterizes loose collagenous connective tissue?

    <p>High vascularity and haphazardly arranged collagenous fibers</p> Signup and view all the answers

    Where are elastic fibers often arranged in elastic tissue?

    <p>In a parallel arrangement</p> Signup and view all the answers

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