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This enables all parts of the body to keep at about the same temperature. In addition to serving as a carrier, the blood has antiseptic properties, i.e., it destroys disease germs. While this function is mainly due to the white corpuscles, it is due in part to the plasma. Through its coagulation, the blood also closes leaks in the small blood vessels.
If compounds of calcium are absent from the blood, coagulation does not take place. These are, however, regular constituents of healthy blood. Whether the presence of the calcium is necessary to the formation of the ferment or to the action of the ferment upon the fibrinogen is unknown. *Purpose of Coagulation.*—The purpose of coagulation is to check the flow of blood from wounds.
A little fiber; one of the longitudinal threads into which a striped muscular fiber can be divided. An albuminoid substance contained in the flesh of animals, and also produced by the coagulation of blood. The act of bending a limb, etc. A little pouch or depression. The application of any warm, medicinal substance to the body, by which the vessels are relaxed. Foramen. A hole, or aperture.
There is reason to think both kinds of corpuscles are continually being destroyed, their place being supplied by new ones. While the action of the colorless corpuscles is important to the lymph and the chyle, and in the coagulation of the blood, their real function has not been ascertained. Blood Corpuscles of Man. Experiment 85. To show the blood corpuscles.
The formation or coagulation of ice-islands has not, to my knowledge, been thoroughly investigated. Some have supposed them to be formed by the freezing of the water at the mouths of large rivers, or great cataracts, where they accumulate till they are broken off by their own weight.
If allowed to stand in a test-tube it does not coagulate, but separates into two layers: the upper, transparent, straw-coloured fluid, the liquor puris or pus serum, closely resembling blood serum in its composition, but containing less protein and more cholestrol; it also contains leucin, tyrosin, and certain albumoses which prevent coagulation.
When existing on a cold planet in the grandeur of the black but light-speckled universe with its surfeit of random stars and a plethora of void, what could humans do but cling to each other for warmth and attribute, meaning and merit in this desperate coagulation?
This change is brought about by the fermenting substance coming into contact with the air, and receiving oxygen from it, in consequence of which it coagulates, and shows itself in the turbid state of must, or young wine. The coagulation of the lees takes place but gradually, and just in the degree the exhausted lees settle. The sugar gradually turns into alcohol.
Nor can it be affirmed with perfect confidence, that all forms of protoplasm are liable to undergo that peculiar coagulation at a temperature of 40°-50° Centigrade, which has been called "heat-stiffening," though Kühne's beautiful researches have proved this occurrence to take place in so many and such diverse living beings, that it is hardly rash to expect that the law holds good for all.
The coagulation of the curd is the first change which the milk of any animal undergoes when introduced into the stomach. The coagulum of human milk is soft and flocculent, and not so thoroughly separated from the other elements of the fluid, as the firm hard coagulum or curd of cow's milk becomes from the whey in which it floats.
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