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Eleven-month “Embryonic Diapause” Marsupial

Abstract

THE tammar, Protemnodon eugenii (Desm.), is included in the marsupial family Macropodidae in which the majority of species so far studied exhibit lactation-controlled delayed implantation1. Tyndale-Biscoe2 pointed out that, unlike eutherian mammals which have delayed implantation, the marsupial blastocyst does not implant as soon as development recommences, and he suggested that the term “embryonic diapause” be used to describe the marsupial type of discontinuous development of the embryo.

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References

  1. Sharman, G. B., in Delayed Implantation, edit. by Enders, A. C., 3 (University of Chicago Press, 1963).

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  2. Tyndale-Biscoe, C. H., in Delayed Implantation, edit. by Enders, A. C., 15 (University of Chicago Press, 1963).

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  3. Sharman, G. B., Austral. J. Zool., 3, 56 (1955).

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BERGER, P. Eleven-month “Embryonic Diapause” Marsupial. Nature 211, 435–436 (1966). https://doi.org/10.1038/211435a0

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