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Updated: May 22, 2025
It is due to a diminished contractile power of the heart when the heart muscle has become weakened and a more or less rapid heart action is present. Jour. Med. He finds that it frequently occurs with Cheyne-Stokes respiration, and continues until death. He also finds that the condition is not uncommon in dilated hearts, especially in mitral disease, and with other symptoms of decompensation.
The Horse desires to go from one place to another; and to enable it to do this, it has those strong contractile bundles of muscles attached to the bones of its limbs, which are put in motion by means of a sort of telegraphic apparatus formed by the brain and the great spinal cord running through the spine or backbone; and to this spinal cord are attached a number of fibres termed nerves, which proceed to all parts of the structure.
They also contain a volatile oil, which is the source of the aroma, and in addition possess a sedative quality. Tannin is a powerful astringent, and hence is strongly provocative of constipation. Its action upon the mucous surface of the stomach is highly detrimental to that organ, as it arrests the excretion of the gastric juice by its contractile effect upon the glands.
Quantity of sensorial power fluctuates. Constitutes excitability. II. Of sensorial exertion. 1. Animal motion includes stimulus, sensorial power, and contractile fibres. The sensorial faculties act separately or conjointly. Stimulus of four kinds. Strength and weakness defined. Sensorial power perpetually exhausted and renewed. Weakness from defect of stimulus.
The trouble was to make the thing contractile. This I sought to do by fixing a long, fine-meshed silk net over it that was fastened to be rolled up on two longitudinal rods. Practically I contracted my sausage gas-bag by netting it down. The ends were too complex for me to describe here, but I thought them out elaborately and they were very carefully planned.
The springs relax; the muscles yield; the resistance of the stomach ceases, and the vessels containing the honey are emptied by the pressure of the thief. We see, therefore, that the Philanthus is obliged to inflict a sudden death which instantly destroys the contractile power of the organs. Where shall the deadly blow be delivered?
These are, first, well-digested chyme and chyle; second, a due quantity and quality of secretions from the mucous or lining membrane of the bowels; third, a free and full contractile power of the muscular coat, and the unrestrained action of the abdominal and respiratory muscles; and, finally, a due nervous sensibility to receive impressions and communicate the necessary stimulus.
He recognizes the universal gravitating or contractile force, from which, as successive sequences, proceed heat and expansion; but he does not suggest that spirit has any more to do with the first than with any succeeding term in the series. It exerts no force, moves nothing; yet spirit produces all the results. "No regular or useful form," says our author, "can be produced by unbridled force.
In the Hydra, the respective parts of the creature's substance have many functions in common. They are all contractile; omitting the tentacles, the whole of the external surface can give origin to young hydræ; and, when turned inside out, stomach performs the duties of skin and skin the duties of stomach. In aboriginal societies such differentiations as exist are similarly imperfect.
Madame Theophile was creeping nearer and nearer almost imperceptibly; her pink nose quivered, her eyes were half closed, her contractile claws moved in and out of their velvet sheaths, slight thrills of pleasure ran along her backbone at the idea of the meal she was about to make. Such novel and exotic food excited her appetite.
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