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Question

The eggs of Ascaris are called mammillated eggs. Justify?


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Solution

Mammillated eggs:

  1. Ascaris lumbricoides is the largest roundworm that lives as a parasite in the human intestine.
  2. The lifespan of an adult roundworm is around one year.
  3. A female roundworm may produce approximately 200,000 eggs a day, and these eggs are passed out with the faces.
  4. These eggs may be fertilized or unfertilized.
  5. The fertile eggs, when ingested by another person, become accidentally embryonated and become ineffective after a few weeks.
  6. The eggs further grow into a larva and then into an adult warm.
  7. These eggs of Ascaris are round and possess a thick layer of a protein coat with a rippled surface.
  8. The eggshell along with the external layer is stained with bile juice.
  9. Due to the presence of this protein coat and the rippled surface with small protuberance the egg of Ascaris lumbricoides is called mammilla eggs.

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