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Morphological and histochemical observations on the vitelline cells of developing and adult Paramphistomum cervi (Trematoda: Digenea)

Published online by Cambridge University Press:  05 June 2009

B. C. Gupta ,
V. R. Parshad  and
S. S. Guraya
B. C. Gupta
Affiliation:
ICMR Advanced Centre in Reproduction, Department of Zoology, Punjab Agricultural University, Ludhiana 141004, India
V. R. Parshad
Affiliation:
ICMR Advanced Centre in Reproduction, Department of Zoology, Punjab Agricultural University, Ludhiana 141004, India
S. S. Guraya
Affiliation:
ICMR Advanced Centre in Reproduction, Department of Zoology, Punjab Agricultural University, Ludhiana 141004, India
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Abstract

In 6 week-old Paramphistomum cervi, vitelline cells appear in the form of a few scattered cells, present below the body wall which divide mitotically to form vitelline follicles in 8 week-old worms. Small shell globules appear first in 10 week-old worms, the number and size of which continue to increase till the worm becomes adult. In the latter the vitelline follicles contain stem cells, immature, maturing and mature vitelline cells, which differ due to the distribution of shell globules as well as their histochemical nature. The shell globules are keratin in nature. The vitelline cells showed activities of various phosphatases but did not show the presence of any of the dehydrogenases studied.

Keywords

Paramphistomum cervivitelline cellshistochemistry
Type
Research Papers
Information
Journal of Helminthology , Volume 61 , Issue 4 , December 1987 , pp. 297 - 305
Copyright
Copyright © Cambridge University Press 1987

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