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Morphology, histochemistry and the biological significance of the lymphatic system of the trematode Orthocoelium*scoliocoelium

Published online by Cambridge University Press:  18 November 2009

P. N. Sharma  and
L. S. Ratnu
P. N. Sharma
Affiliation:
Department of Zoology, University of Udaipur-313001, India
L. S. Ratnu
Affiliation:
Department of Zoology, University of Udaipur-313001, India
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Abstract

The gross morphology and histological and cytological architecture of the lymph system of Orthocoelium scoliocoelium were studied. Each main vessel, near the intestinal bifurcation forms a spindle-shaped sinus. Lymphocytes, similar to the primitive blood cells, have been seen to form aggregates in certain regions of the lymph system. In addition, detailed histochemical observations were made on the localization and distribution pattern of various phosphatases, esterases and dehydrogenases. It is suggested that the lymph system, in addition to the functions already known, may also selectively reabsorb certain important outgoing higher fatty acids from the excretory system. Furthermore, the lymphocytes may also be involved in the defence mechanism of the worm. The nature and function of fine granules in the lymph remain speculative.

Type
Research Papers
Information
Journal of Helminthology , Volume 56 , Issue 1 , March 1982 , pp. 59 - 67
Copyright
Copyright © Cambridge University Press 1982

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