These experiments, which, it seems to me, are of great not only theoretical but also practical interest, since they provide a means for combating parathyroid tetany, are still continuing in various directions..

It would therefore be premature to attempt to interpret the mechanism by which a double blood transfusion, combined with an injection of calcium chloride, radically eliminates the phenomena of parathyroid tetany, although the calcium content in the blood remains very low.

Elimination of the influence of thyroid hormones in the coming days after complete thyroid parathyroidectomy does not prevent the development of fatal tetany in a short time. It can be thought that the phenomena of hypothyroidism in the executive organs, leading to a decrease in the biochemical tone and excitability of tissues, develop much later than the symptoms of loss of functions of epithelial bodies, symptoms of the absence of their biotonus inhibiting effects.

The opposite effect of the influences of the thyroid and parathyroid glands on the executive organs, apparently, can be considered established. However, the possibility of other explanations of the described phenomena is not excluded.. One has to think about them primarily because: 1) not only the internal secret of the parathyroid glands, but also the thyroid is introduced with the blood transfused, 2) blood transfusion, even without adding calcium injection, eliminates tetany for a period longer than that required for the development of tetany after.

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