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Updated: May 18, 2025
The reader gathers from them, however, the general impression that it made upon their astonished minds. The creatures were of a livid hue, and had the form of a globe, as large as the bell itself, with a valvular opening on one side which was evidently a mouth, surrounded with a circle of eyelike disks, projecting shafts of self-evolved light into the water.
His grandmother was the most intelligent member of the family, and she knew he knew it, and liked him for having found it out; so when he had her alone she listened to him without resorting to any valvular tricks.
"Oh, my dear! What is it?" "It's her heart. I thought it was her spine, because of Edie. But it isn't. She has valvular disease. Oh, Fanny, I didn't think a little child could have it." "Nor I," said Mrs. Eliott, shocked into a great calm. "But surely if you take care " "No. He gives no hope. He only says a few years, if we leave Scale and take her into the country.
A valvular arrangement called the ileo-cæcal valve, which is provided with a button-hole slit, forms a kind of movable partition between this part of the large intestine and the small intestine. Tubular Glands of the Small Intestines. Attached to the cæcum is a worm-shaped tube, about the size of a lead pencil, and from three to four inches long, called the vermiform appendix. Its use is unknown.
Valvular disease at the aortic orifice is much less common than at the mitral orifice, and while stenosis or obstruction is less common from rheumatism or acute inflammatory endocarditis than is insufficiency of this valve, a narrowing or at least the clinical sign of narrowing, denoted by a systolic blow at the base of the heart over the aortic opening, is in arteriosclerosis and old age of frequent occurrence.
This closure is not effected by any muscular contraction, therefore it is not dependent on the strength of the muscular fibers of the false vocal cords. It is an automatic valvular action, directly under voluntary control so far as the contraction of the expiratory muscles is concerned, but independent of volition as regards the action of the false vocal cords.
If a patient had already valvular disease from a previous endocarditis, and during this attack insufficiency of the heart was evidenced by pendent edemas, digitalis Should be administered; but it probably should not be given to other patients during the acute period of inflammation. During rheumatism the peripheral blood vessels are generally dilated and the skin perspires profusely.
Tobacco, besides increasing the blood tension and thus perhaps injuring the aortic valve, may weaken the heart muscle and cause disturbance and irritation and perhaps inflammation of the mitral valve. There is no age which is exempt from valvular disease, but the age determines the valve most liable to be affected.
The sick woman who kneels between the candles before the picture of the Virgin, praying that her heart, which the physicians declare incurable on account of a valvular disease, be cured, moves in a sphere of thought which lies entirely outside of the medical study of causes and effects. The same holds true, for instance, of Christian Science.
The heart is a valvular pump, which works on mechanical principles, the motive power being supplied by the contraction of its muscular fibers. Regarding the heart as a pump, its valves assume great importance. They consist of thin, but strong, triangular folds of tough membrane which hang down from the edges of the passages into the ventricles.
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