Types of Accumulations in Hepatocytes and Bile Capillaries
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Questions and Answers

Which pigment is commonly associated with the accumulation in stellate reticuloendotheliocytes of the liver?

  • Hemomelanin (correct)
  • Hemosiderin
  • Bilirubin
  • Lipofuscin
  • What type of pigment accumulation is typically observed in the red pulp of the spleen?

  • Bilirubin
  • Lipofuscin
  • Hemomelanin (correct)
  • Hemosiderin
  • Which pigment accumulation is common in stellate reticuloendotheliocytes and hepatocytes?

  • Bilirubin
  • Lipofuscin (correct)
  • Hemomelanin
  • Hemosiderin
  • In which organ is the accumulation of bilirubin commonly observed?

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

    What pigment is linked to accumulation in the acini of the pancreas?

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

    Which type of pigment accumulation is characteristic of red pulp involvement in the spleen?

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

    Which of the following is a type of hypomelanosis?

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

    What is the sequence of actions for hepatic jaundice?

    <p>Damage to hepatocytes &gt; Impaired bilirubin uptake &gt; Conjugation with glucuronic acid &gt; Excretion</p> Signup and view all the answers

    Which stage comes first in the formation of lipofuscin?

    <p>Propigment granules appear perinuclear</p> Signup and view all the answers

    What type of pigment is hemoglobinogenic?

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

    Which type of jaundice is associated with mechanical issues?

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

    Where is formalin pigment found and what is its origin?

    <p>Found in tissues when fixed in formaldehyde, a derivative of hematin</p> Signup and view all the answers

    Which disorder is characterized by acquired focal depigmentation of the skin based on vegetative and endocrine disorders?

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

    What is the widely distributed proteinogenic black pigment called?

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

    What are the characteristic properties of hemosiderin?

    <p>Color brown, found intracellularly, contains Fe, formed after 24-48 hours</p> Signup and view all the answers

    In which disease does acquired focal depigmentation of the skin occur after burn wounds and erythematous rashes?

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

    What does the yellowish color of the central area of a bruise that has existed for about a week indicate?

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

    Which disorder is characterized by the absence of pigment due to impaired melanin synthesis?

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

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