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Middle-Piece Beads in the Cavia Spermatozoon

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Abstract

IT is well known1 that the silver nitrate methods of Da Fano, Cajal and Aoyama for the Golgi apparatus impregnate densely a bead just around the neck of the guinea pig sperm (Fig. 1, NB). It has been assumed that this bead is identical with the middle-piece bead depicted by Retzius2 in so many kinds of mammalian spermatozoa.

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References

  1. Gatenby, Proc. Roy. Soc., B, 104 (1929).

  2. Retzius, Biol. Untersuch., B, 14, No. 11–14 (1909).

  3. Gatenby, Anat. Record, 48 (1931).

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Authors and Affiliations

  1. Zoology Department, Trinity College, Dublin

    J. BRONTË GATENBY & L. COLLERY

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  1. J. BRONTË GATENBY
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  2. L. COLLERY
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GATENBY, J., COLLERY, L. Middle-Piece Beads in the Cavia Spermatozoon. Nature 151, 253–254 (1943). https://doi.org/10.1038/151253b0

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