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Updated: May 23, 2025
It is due to an overweighing of the pituitary, controller of good brain tone, and alive wakefulness, by the demands of the organism. On the other hand, the hyperthyroid type of woman reacts with an exaggeration of her tendency. When the posterior pituitary begins to secrete more in her its stimulation of the thyroid is enough to tip it over the normal line.
For in the modeling and tone of every one of the features each of the endocrine glands has something to say. In consequence there has been described the hyperpituitary face, and the hyperthyroid face, the subthyroid face and the subpituitary face, the adrenal face, the eunuchoid face and the ovarian face and also the thymic.
Over these, the essential control lies in the pituitary and the thyroid. So we find that pituitary types have, when there is oversecretion, large bony, gross hands, spade-shaped, or when there is undersecretion, hands that are plump, with peculiarly tapering fleshy fingers. The hyperthyroid has long slender fingers, the subthyroid pudgy, coarse, ugly foreshortened hands, often cold, and bluish.
Yet in adolescence too there may be a sudden change and reversal of the whole process, a jump from the subthyroid to the hyperthyroid state.
So pigmentations, darkenings and discolorations of the skin, especially of the face, the traditional chloasma develops. The hyperthyroid type may become sharply exaggerated, almost to the point of mania and psychosis.
When the skin, especially the skin over the shoulders, the breasts and the abdomen, is stroked with some blunt object, the blood vessels react either by a greater filling up or emptying of themselves. The latter occurs most regularly in the subadrenal types, the former in the hyperthyroid. Both forms of reaction run parallel to the different check or drive effects of the vegetative apparatus.
Thus it has been recorded that a male dog showed a large goitrous swelling of the thyroid in the neck, with a rapid heart, staring eyes, the loss of flesh and fat and the nervousness of a hyperthyroid condition. Therewith he became an absolute homosexual. Observations on the primates along the same lines have been made. In goitrous hyperthyroids thymus persistence is common.
The typically hyperthyroid and hyperpituitary individuals tend to be thin, as well also as those who have well-functioning or excessively functional interstitial cells.
The feeding of thyroid will also raise the ability of the cells to stand poisons introduced from without intoxications of all sorts. Alcohol and morphine will affect in much smaller doses the subthyroid person than the normal or the hyperthyroid.
It varies with the water content of the body, the state of the vegetative nervous system, and the body temperature. Thus the skin of the hyperthyroid and the subadrenal is soft and moist, because of their antagonistic effects upon the sympathetic system. The subthyroid and the hyperadrenal have dry and harsh skins for the same reason, if no other glands intervene.
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