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The Excystment of Trichinella larvae in Artificial Gastric Juice

Published online by Cambridge University Press:  18 November 2009

Vernon D. van Someren
Vernon D. van Someren
Affiliation:
Research Student, Department of Helminthology, London School of Hygine and Tropical Medicine.
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Extract

By feeding infected flesh to experimental animals, and examining the stomach contents of the latter at varying periods after feeding, various workers have shown that Trichinella larvae are released from their cysts within one or two hours after reaching the stomach of the experimental host. (Bugge, 1934, Heller, 1933, 1934, Kreis, 1937.) The actual release of the larvae from the cysts has not been followed, though Kreis (1937) on the basis of the appearance of stained cysts recovered a short time after ingestion, suggests that the larvae are released not only by the action of the gastric juice of the host, but also as a result of secretory activity by the larvae themselves within the cysts.

Type
Research Papers
Information
Journal of Helminthology , Volume 15 , Issue 4 , December 1937 , pp. 177 - 182
Copyright
Copyright © Cambridge University Press 1937

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References

Bugge, G., 1934.—“Trichinen im Darm.” Arch, wiss prakt. Tierheilk., LXVIII (1), 24–32. (W.L. 1818.)Google Scholar
Hall, M. C., & Collins, B. J., 1937.—“Studies on Trichinosis. 1. The incidence of Trichinosis as indicated by Post-Mortem Examination of 300 Diaphragms.” Publ. Hlth. Rep., Wash., LII (16), 468–490. (W.L. 17302.)CrossRefGoogle Scholar
Heller, M., 1933.—“Entwickelt sich die Trichinetta spiralis in der Darmlichtung ihres Wirtes ?” Z. Parasitenk., v. 370–392. (W.L. 23526a.)CrossRefGoogle Scholar
Heller, M., 1934.—“Quelques observations sur la biologie de la Trichinella spiralis.” Trud. Dinam. Razvit. VIII, 167–185. (W.L. 21811d.)Google Scholar
Kreis, H. A., 1937.—“Die Entwicklung der Trichinellen zum reifen Geschlechstier im Darme des Wirtes.” Zbl. Dakt., Abt. I. Orig., CXXXVIII (5/6), 290–302. (W.L. 23684.)Google Scholar