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Updated: June 11, 2025
Each valve usually consists of two semilunar flaps attached to opposite sides of the vessel wall, each flap having a small sinus on its cardiac side. The distension of these sinuses with blood closes the valve and prevents regurgitation.
After a brief mastication, the food passes directly to the rumen. Here it is subjected to a churning movement that mixes and presses the contents of the rumen forward in the direction of the oesophageal opening, where it is ready for regurgitation. It is then carried back to the mouth, remasticated and returned to the rumen. This is termed rumination.
The previous history of such a patient will generally disclose the pathologic cause or the physical excuse. As soon as a valve has become injured the heart muscle hypertrophies to force the blood through a narrowed orifice or to evacuate the blood coming into a compartment of the heart from two directions instead of one, as occurs in regurgitation or insufficiency of a valve.
Next, it must not be forgotten that the regurgitation of the food is due in great measure to the weakness and consequent irritability of the stomach, and care must therefore be taken not to overload it.
DEFECTIVE TEETH. Unless suitable precautions are observed, the digestive disturbances of pregnancy have a tendency to injure the teeth. The regurgitation of the acid contents of the stomach, for example, may cause cavities to develop or may enlarge those that already exist.
The stream of public opinion now sets against us; but it is about to turn, and the regurgitation will be tremendous. Proud in that day may well be the man who can float in triumph on the first refluent wave, swept onward by the deluge which he himself, in advance of his fellows, has largely shared in occasioning. Such be my fate; and, living or dead, it will, in some measure, be mine!
At this point we suddenly became aware that for at least a day or two the old bird had probably been feeding her offspring in two ways, sometimes by regurgitation, and sometimes by a simple transfer from beak to beak. The manner of our discovery was somewhat laughable. The mother perched beside one of the young birds, put her bill into his, and then apparently fell off the limb head first.
Di flashed out at the door again, on some trivial permission. "A good many of mamma's stitches in that dress to keep clean," Ina called after. "Early, darling, early!" her father reminded her. A faint regurgitation of his was somehow invested with the paternal. "What's this?" cried Dwight Herbert Deacon abruptly. On the clock shelf lay a letter. "Oh, Dwight!" Ina was all compunction.
In other words, an intestinal or chronic myocarditis or fibrosis develops, with perhaps later a fatty degeneration. When this condition occurs, of course, the repair of the heart is impossible. This form of valvular lesion is the one that is most likely to cause sudden death. In aortic regurgitation Nature causes the heart to beat rapidly.
Physiol., February and April, 1909. not infrequently small doses of dilute hydrochloric acid seem to aid the pylorus to maintain its normal contraction, the regurgitation of bile does not take place, and the stomach may soon acquire a more normal muscle tone.
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