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Or secondly, so much pain is introduced into the system by the violent contractions of the fibres, that inflammation arises, which prevents future cold fits by expending a part of the sensorial power in the extension of old vessels or the production of new ones; and thus preventing the too great accumulation or exertion of it in other parts of the system; or which by the great increase of stimulus excites into great action the whole glandular system as well as the arterial, and thence a greater quantity of sensorial power is produced in the brain, and thus its exhaustion in any peculiar part of the system ceases to be affected.
Periods of diurnal fever, hectic fever, quotidian, tertian, quartan fever. Periods of gout, pleurisy, of fevers with arterial debility, and with arterial strength, Periods of rhaphania, of nervous cough, hemicrania, arterial hæmorrhages, hæmorrhoids, hæmoptoe, epilepsy, palsy, apoplexy, madness. IV. Critical days depend on lunar periods. Lunar periods in the small pox.
He repeats the same dogma in his treatise on "Long Life," and indeed very generally throughout his writings, observing, in his chapter on the Vital Air, that the spirit of life is a salt, sharp vapour, made of the arterial blood, etc.
Men with hypertension without kidney or arterial excuse are likely to have been athletes, or to have done some severe competitive work, or, as above stated, to have labored hard, or to have worked at high tension, or in great excitement, or with mental worry, all of which tend, as long as there is health, to increase the blood pressure.
And one of the greatest tragedies of our times occurred when an elderly statesman, on the brink of arterial disease of the brain, lost the strength and firmness of purpose that hitherto had characterized him. One of the worst features of the government of nations is the predominance of old men in the governing bodies.
The difference it made in the attack was this; That in going upon it, as in the first case, with the end of her fore-finger against the end of my uncle Toby's tobacco-pipe, she might have travelled with it, along the lines, from Dan to Beersheba, had my uncle Toby's lines reach'd so far, without any effect: For as there was no arterial or vital heat in the end of the tobacco-pipe, it could excite no sentiment it could neither give fire by pulsation or receive it by sympathy 'twas nothing but smoke.
These it receives from the red arterial blood. The cells must also be provided with an outlet for their waste products. This is furnished by the venous circulation, which represents the drainage system of the body.
But when once he has plunged into the water his whole behavior suddenly alters; he is a ferocious being, high-mettled, indomitable, a savage enemy, redoubling his exertions, as if the entire mass of his blood had suddenly become arterial. Geoffroy St.
V. After the blood has passed these glands and capillaries, and parted with whatever they chose to take from it, the remainder is received by the veins, which are a set of blood-absorbing vessels in general corresponding with the ramifications of the arterial system.
It may be true, as Thomas Henderson says, that the intra-ocular pressure is influenced by changes in the general arterial or general venous pressures, whereby a rise in general arterial pressure induces a proportionate rise in the intra-ocular pressure, but it would seem that future investigations must confirm this statement before it can be entirely accepted, as well as his further statement that the effect of an increased general venous pressure is a direct one, producing millimeter for millimeter a corresponding increase in the intra-ocular pressure.
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