DIE PERIPHERE LAGE DES SEX-CHROMATINS

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Abstract
In extremely flattened nuclei, as in those of endothelial cells of veins, each of the sex chromatins lies in close contact with the nuclear membrane. The marginal position is a special case of localization so close to the nuclear membrane. It goes along with a relative greater surface contact between sex chromatin and nuclear membrane, as does the position at the nuclear pole. By exact measurements of diameter, Surface, circumference, and thickness It can be shown that a marginal position is found more frequently as would be expected from a random distribution on the nuclear surface. This is especially the case in large nuclei. The position at the nuclear pole becomes more frequent with an increasing longitudinal diameter of the elliptic nuclei.