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Studies on the osmotic properties of the eggs and larvæ of a brackish-water polychæte,Marphysa gravelyi southern

  • Published:
Proceedings / Indian Academy of Sciences

Summary

  1. 1.

    Experiments regarding the effects of the hypotonic and hypertonic media on the volume changes are described and the conclusion that the eggs are passive as far as the transport of the salts and water are concerned is arrived at.

  2. 2.

    The rate of mortality observed when eggs with jelly and without jelly were subjected to hypotonic media is recorded and the conclusion that the envelop of jelly acts in the same way as an impermeable membrane in the case of eggs of other animals is drawn.

  3. 3.

    The effects of hypotonic media on the volume cf larvæ is described and the role played by the excretory organs and their importance in osmo-regulation is indicated.

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Authors and Affiliations

  1. Zoology Research Laboratory, University of Madras, India

    B. Krishnamoorthi

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  1. B. Krishnamoorthi
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Communicated by Dr. N. K. Panikkar,f.a.sc.

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Krishnamoorthi, B. Studies on the osmotic properties of the eggs and larvæ of a brackish-water polychæte,Marphysa gravelyi southern. Proc. Indian Acad. Sci. 34, 199–209 (1951). https://doi.org/10.1007/BF03050674

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  • DOI: https://doi.org/10.1007/BF03050674

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