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A proposed site of fluid secretion in the salivary gland of the ixodid tick Dermacentor andersoni

Published online by Cambridge University Press:  06 April 2009

Joan Meredith  and
William R. Kaufman
Joan Meredith
Affiliation:
Department of Zoology, University of British Columbia, Vancouver, B.C., Canada
William R. Kaufman
Affiliation:
Department of Zoology, University of British Columbia, Vancouver, B.C., Canada
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Extract

The histology and ultrastructure of the salivary gland in Dermacentor andersoni are presented with particular emphasis on those aspects relating to fluid secretion. We suggest that the group III acinus contributes most of the fluid portion of the saliva (i.e. water and small molecules) and that the main cell-type involved is what we name the ‘water-cell’. The granule-cells possibly secrete the cement by which the tick secures its mouthparts to the host, and the ‘vacuolar cell’ possibly produces a protein-rich secretion. The function of the group I acinus remains obscure.

Type
Research Article
Information
Parasitology , Volume 67 , Issue 2 , October 1973 , pp. 205 - 217
Copyright
Copyright © Cambridge University Press 1973

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