- a cylindrical larval stage of some trematodes, produced by a sporocyst and giving rise to daughter rediae or to cercariae.
Origin of redia
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Examples from the Web for redia
This produces within itself numbers of a small creature which is called the Redia form.Stories of the Universe: Animal Life
The Redia has anteriorly a mouth leading into a muscular pharynx and thence into a ccal stomach.
The Cercari are developed from spherical masses of cells found in the body cavity of the Sporocyst or Redia.
The Cercari when fully developed leave the Sporocyst or Redia, and then their host, and become free.
- a parasitic larva of flukes that has simple locomotory organs, pharynx, and intestine and gives rise either to other rediae or to a different larva (the cercaria)
C19: from New Latin, named after Francesco Redi (1629–97), Italian naturalist
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