🦠microbiology review

Schistosoma mansoni

Written by the Fiveable Content Team • Last updated August 2025
Written by the Fiveable Content Team • Last updated August 2025

Definition

Schistosoma mansoni is a parasitic worm, also known as a blood fluke, that causes schistosomiasis in humans. It primarily resides in the blood vessels of the human host's intestines.

5 Must Know Facts For Your Next Test

  1. Schistosoma mansoni uses snails as an intermediate host before infecting humans.
  2. The parasite releases eggs that cause inflammation and tissue damage in the host.
  3. It possesses complex virulence factors like surface proteins to evade the host's immune system.
  4. Infection with Schistosoma mansoni can lead to chronic liver disease and other severe complications if untreated.
  5. Praziquantel is the most commonly used medication to treat infections caused by Schistosoma mansoni.
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