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A comparison of the sites of acid phosphatase activity in an adult filaria, Setaria sp. and in some gastro -intestinal nematodes

Published online by Cambridge University Press:  06 April 2009

Jun Maki  and
Toshio Yanagisawa
Jun Maki
Affiliation:
Department of Parasitology, Kitasato University School of Medicine, Sagamihara 228, Kanagawa, Japan
Toshio Yanagisawa
Affiliation:
Department of Parasitology, Kitasato University School of Medicine, Sagamihara 228, Kanagawa, Japan
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Summary

The histochemical localization of acid phosphatase in an adult filaria, Setaria sp. obtained from the peritoneal cavity of a cow was closely examined and compared with that of adult nematodes parasitic in the host alimentary canal; special attention was paid to the intestine and body wall of the parasites. Setaria sp. was found to show high acid phosphatase activity in the interchordal hypodermis of the body wall and uterine microfilariae, and similar activity is suspected to occur in the cuticle. The intestine of this nematode exhibited very low, if any, activity. In contrast, nematodes parasitic on the alimentary canal, such as Toxocara cati, T. canis, Physaloptera sp. and Ancylostoma caninum, showed no activity in the body wall and very high activity in the luminal surface of their intestine. The possible function of the abundant acid phosphatase in the body wall of this filaria is discussed.

Type
Research Article
Information
Parasitology , Volume 81 , Issue 3 , December 1980 , pp. 603 - 608
Copyright
Copyright © Cambridge University Press 1980

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