Letter | Published:

A Polyploidizing Principle in the Spleen

Naturevolume 187pages965966 (1960) | Download Citation



IN previous experiments it has been found that 120 hr. after traumatization of the uterus the number of large homogeneous cells in the antimesometrial part of the deciduomata was doubled in splenectomized rats1. In other experiments the animals were partially omentectomized or unilaterally nephrectomized. But there was no difference in cell count between these animals and the non-splenectomized controls2. The proportion of the volume of the nuclei of the large decidua cells between normal rats and spleenless ones3 was approximately 2 : 1. The number of countable nucleoli in each nucleus shows the same ratio4.

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  1. 1

    Rigler, R., and Rosenkranz, W., Z. Naturforsch., 13, b, 291 (1958).

  2. 2

    Rigler, R., and Rosenkranz, W., Wien. klin. Wschr., 69, 445 (1957).

  3. 3

    Rosenkranz, W., and Rigler, R., Z. ges. exp. Med., 129, 627 (1958).

  4. 4

    Rigler, R., and Rosenkranz, W., Z. Naturforsch., 13, b, 543 (1958).

  5. 5

    Marquardt, H., and Gläss, E., Chromosoma, 8, 617 (1957).

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  1. Institute of Physiology, University of Graz, Harrachgasse, 21, Graz.

    • I. BOUVIER
    • , R. RIGLER
    •  & W. ROSENKRANZ


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