Saturday, February 18, 2012

Cercaria

cercaria- swimmers rash


  • The final larval stage of any parasitic trematode ( search Fluke).
  • The cercariae, which have tails but otherwise resemble the adults, are released into water from the snail host in which the parasite undergoes part of its development.
  • Several thousands cercariae may emerge from a single snail in a day. 

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