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Besides thyroxin, adrenalin, and the libido-producing secretion of the interstitial cells, the substance produced by the paired glandlets, situated behind the thyroid, the parathyroids, have a profound influence upon the vegetative apparatus and the vegetative nervous system. These direct the lime exchanges within the cells of the organisms, including the nerve cells.
If a man flies into a violent passion because someone has trodden upon his corns, and there is a copious flow of adrenalin from the glands, it is not that flow which has caused his rage. It may be the flow from the interstitial tissue of the sex-glands which engenders sexual feelings, but then those are almost wholly physical, and only in a very minor sense if even if any true sense psychical.
But we may note that the James-Lange theory of an emotion regards it as a consciousness of the very changes in the organism adrenalin causes.
All chromium salts, in fact, stain the therefore labelled chromaffin cells. The characteristic staining power appears to be dependent upon, or correlated with, the presence of the internal secretion of the medulla of the adrenal, adrenalin. For the content of adrenalin, as calculated chemically, and the depth of stain as seen under the microscope, rise and fall together.
From the strong affinity of the brain-cells for adrenalin which was manifested in our experiments we may strongly suspect that the Nissl substance is a volatile, extremely unstable combination of certain elements of the brain-cells and adrenalin, because the adrenals alone do not take the Nissl stain and the brain deprived of adrenalin also does not take Nissl stain.
Adrenalin may be looked upon as the invention for the mobilization at a moment's notice, or as we say, after generations of use, by instinct, of all these visceral and blood advantages in the struggle of combat or flight. The nature of instinct, in its relation to the glands of internal secretion, is a problem for another chapter.
Histologic examinations of the brains of both dogs showed marked hyperchromatism in the brain receiving adrenalin, while the brain receiving no adrenalin showed no change. Here is a clear-cut observation on the action of adrenalin on the brain, for both the functional and the histologic tests showed that adrenalin causes increased brain action.
This observation may explain in part the remarkable success of the method of resuscitation devised by me, in which animals "killed" by anesthetics and asphyxia are revived by the use of adrenalin.
It was obsessed by dopamine, adrenalin, and serotonin within for all that he put on canvas at least it was before retiring and giving himself to indolence, making Noppawan, perplexed at what she could converse about with her retired spouse apart from the names of the bimbos he was copulating with. He slid down the bathroom wall into a fetal position on the floor as he was obviously imploding.
But all enthusiasm was individual property, the reaction of single persons with excess adrenalin. No common interests united doctor and stockbroker, steelworker and truckdriver, laborer and laundryman, except common fear of the Grass, briefly dormant but ever in the background of all minds.
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