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Biol Bull 130: 369-377. (June 1966)
© 1966 Marine Biological Laboratory
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EXCYSTMENT OF CRYPTOCOTYLE LINGUA METACERCARIAE

JAMES S. McDANIEL 1

1 Marine Biological Laboratory, Woods Hole, Massachusetts 02543, and Department of Biology, Rice University, Houston, Texas 77001

1. The excystment of C. lingua metacercariae is mediated by the action of digestive enzymes. The same sequence of enzyme solutions as that met with in the host's digestive tract is required.

2. Reducing and surface-active agents, and a carbon dioxide atmosphere enhance excystment.

3. None of these factors proved to be an absolute requirement, but their combined effect was to stimulate excystment within a biologically useful time period.






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Copyright © 1966 by the Marine Biological Laboratory.