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 accompanied by edema, such as swelling of the legs and ankles and congestion in the lungs. Heart failure is a condition in which the heart can't pump enough blood throughout the body. Heart failure does not mean that your heart has stopped or is about to stop working. It means that your heart is not able to pump blood the way it should.