Full Definition of MYTHOLOGY. 1. : an allegorical narrative. 2. : a body of myths: as a: the myths dealing with the gods, demigods, and legendary heroes of a particular people.3. : a branch of knowledge that deals with myth. 4.â myÂ·tholÂ·oÂ·ger \-jÉr\ noun. â myÂ·tholÂ·oÂ·gist \-jist\ noun.ull Definition of MYTHOLOGY. 1. : an allegorical narrative. 2. : a body of myths: as a: the myths dealing with the gods, demigods, and legendary heroes of a particular people. 3.
Heart failure is a chronic (ongoing) condition that develops over time. It is usually caused by underlying conditions, such as high blood pressure or heart disease. These conditions damage your heart, making the heart muscle stiff or thick.eart failure doesn't mean your heart has failed or stopped beating. It means that your heart, which is a muscle that pumps blood to all parts of your body, is not working as well as it should and can't pump as much blood as your body needs.
Heart failure is a condition in which the heart can't pump enough blood to meet the body's needs. In some cases, the heart can't fill with enough blood. In other cases, the heart can't pump blood to the rest of the body with enough force. Some people have both problems.eft-side heart failure occurs if the heart can't pump enough oxygen-rich blood to the rest of the body. Right-side heart failure may cause fluid to build up in the feet, ankles, legs, liver, abdomen, and the veins in the neck.