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Updated: July 20, 2025
This much is plain, at all events, that in some animals they are less strongly marked than in others; and, in all that have them, they are more numerous and stronger in the left than in the right ventricle; and while some have them present in the left, yet they are absent in the right ventricle.
When they were opened, however, nothing was found but a little coagulated blood in the ventricle of the heart. Another experiment was giving a white powder to a cat, in a morsel of mutton. The cat vomited for half an hour, and was found dead the next day, but when opened no part of it was found to be affected by the poison. A second trial of the same poison was made upon a pigeon, which soon died.
He died of another attack of pneumonia fifteen years later and the heart was found to be two or three times its natural size, soft and flabby, and, on opening the right ventricle, a bullet was discovered embedded in its walls. There was no scar of entrance discernible, though the pericardium was adherent.
An increased abdnominal pressure interferes with her lung capacity, and her lungs are already overcongested. The left ventricle may be small with mitral stenosis, and therefore her general systemic circulation poor. For those two reasons mitral stenosis should absolutely prohibit pregnancy.
The regularly recurring enlargement of an artery, caused by the increased blood flow following each contraction of the ventricle of the heart. Veins. The blood vessels and their branches through which blood flows from all parts of the body back to the heart. Ve'na ca'va. Either of the two large veins discharging into the right auricle of the heart. Por'tal vein.
Injury to the auricle, or pressure for any reason on the auricle, may so disturb the transmission of stimuli and contractions that the contractions of the ventricle are very much fewer than the stimuli proceeding from the auricle. In other words, a form of heart block may occur.
By that single snail-like motion, equally divided as you see, and a fivefold infoliature, movable at every inward meeting, such as is the vena cava where it enters into the right ventricle of the heart; just so is the flowing of this fountain, and by it a harmony ascends as high as your world's ocean.
In the Selachii an arterial cone is developed from the foremost end of the ventricle, as a special division, cut off by valves. On each side 5 to 7 arteries proceed from it. The junctures of the various aortic arches on the right and left are called the roots of the aorta.
This rarely, if ever, occurs alone; it is generally a sequence of other valvular defects, and represents an overworked, dilated right ventricle. It may, however, occur from lesions of the lungs which impede the blood flow through them.
Bowling gives a case of gunshot wound of the shoulder in which death resulted eleven weeks after, the bullet being found in the left ventricle of the heart. Thompson has reported a bayonet wound of the heart, after the reception of which the patient lived four days.
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