regurgitation
regurgitation A backward flowing. For example, vomiting is a regurgitation of food from the stomach, and the sloshing of blood back into the heart when a heart valve is incompetent is a regurgitation of blood.
regurgitation A backward flowing. For example, vomiting is a regurgitation of food from the stomach, and the sloshing of blood back into the heart when a heart valve is incompetent is a regurgitation of blood.