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The cytological effect of different temperatures on the cells of the renal tubules of the turtle

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Conclusion

  1. 1.

    Low temperatures cause shrinkage of the nuclei of the renal cells of the turtle. This is greater in the cells from animals that have been kept below 0° centigrade. This may result from the changes in the permeability of the nuclear membrane, allowing the nuclear material to pass into the cytoplasm of the cell.

  2. 2.

    The nucleolus disappears when the turtle has been completely frozen, leaving the nucleus more basophilic than in the turtles kept at room temperature.

  3. 3.

    Differences in form of the nuclei are not as apparent in these resting cells as in those in which mitosis was occurring, according to previous descriptions. The cells in the resting state are apparently not as susceptible to changes as the rapidly-dividing ones.

  4. 4.

    The mitochondria of the kidney cells of turtles during the hibernating season are sphere of variable size. Their morphology is not affected by temperature changes.

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Bibliography

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Authors and Affiliations

  1. Washington, USA

    Myrtle M. Mack

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  1. Myrtle M. Mack
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I wish to express my appreciation to Dr. J. McA. Kater for his criticisms and suggestions, and to Dr. Arthur Svihla for verifying the identification of the turtles used in the experiment.

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Mack, M.M. The cytological effect of different temperatures on the cells of the renal tubules of the turtle. Z.Zellforsch 17, 247–254 (1933). https://doi.org/10.1007/BF00374043

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  • DOI: https://doi.org/10.1007/BF00374043

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