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.
When you have heart failure, it doesnât mean that your heart has stopped beating. It means that your heart isnât pumping blood as it should. The heart keeps working, but the bodyâs need for blood and oxygen isnât being met.Heart failure can get worse if itâs not treated.Itâs very important to do what your doctor tells you to do.bout 5.7 million Americans are living with it today. In fact, itâs one of the most common reasons people age 65 and older go into the hospital. It can take years for heart failure to develop. Heart failure is called congestive heart failure when fluid builds up in various parts of the body.