A Note on Certain Coprozoic Organisms in Cultures from Man

Kenneth M. Lynch Dallas, Texas

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In culture work with the so-called intestinal parasites danger of error and introduction of confusion exists from the likelihood of obtaining free-living organisms, ingested with food and water, which may pass through the intestine of man alive, although not growing there. From time to time new “intestinal parasites” have been thus encountered and described, adding to the confusion already existing.

The writer in recent cultivation experiments with intestinal protozoa and Blastocystis has encountered several forms which it is well to be informed about in this sort of work, some of which may be confused with Blastocystis. Those which it has been necessary to differentiate are probably of the fresh water algae and they must always be taken into consideration in cultivation of this organism as there are several which are apparently similar to certain forms of Blastocystis that may be reasonably expected to pass through the intestine at times.

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