The Penetration Of Trypanosoma Rhodesiense Through The Peritrophic Membrane Of Glossina Palpalis

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Date
1958
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Kenya Agricultural Research Institution
Abstract
When Trypanosoma congolense, T. gambiense or T. brucei infect the tsetse-fly, the first stage of development occurs in the mid-gut, where the trypanosomes are attached to the cell wall in the ectoperitrophic space (Johnson and Lloyd, 1929; Taylor, 1932; Yorke, Murgatroyd and Hawking, 1933). The trypanosomes multiply in the mid-gut, outside the peri trophic membrane, and extend anteriorly until they reach the region of the proventriculus. In order to continue their further development in the labrum or salivary glands, the proventricular forms have to pass through the membrane. Yorke et al. (1933) showed that T. brucei was present in the space between the annular pad of secretory epithelial cells and the invaginated portion of the fore-gut, and that in that region the parasites passed through the peritrophic membrane where it was being secreted and where, presumably, it was still fluid.
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Annals Of Tropical Medicine And Parasitology, 52 (1), p. 18-19
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