neÂ·croÂ·ses (-sÄzâ²) Death of cells through injury or disease, especially in a localized area of a tissue or organ. [Late Latin necrÅsis, a causing to die, killing, from Greek nekrÅsis, death, from nekroun, to make dead, from nekros, corpse; see nek-1 in the Appendix of Indo-European roots.] neÂ·crotâ²ic (-krÅtâ²Ä­k) adj.
Types of Angina. Angina usually refers to the chest pain caused by the shortage of oxygenated blood in the heart muscles. It is mainly of three types-stable, unstable, and variant angina.Find out more about these three types of angina, and what can cause them, through this Buzzle article.he most common symptoms of this condition are chest pain and discomforts like tightness, squeezing, and heaviness in the chest. Sometimes, the chest pain or discomfort is also accompanied by other symptoms, like pain in the upper abdomen, back, and the neck.
Angina, or angina pectoris, is a medical term for the symptoms caused by the heart not getting enough oxygen from the arteries that supply the heart with blood. When these arteries become narrowed or blocked over time, it is called coronary artery disease (CAD) , and it can cause angina. Most commonly, people describe their symptoms of angina as chest discomfort or pain. Angina can be stable or unstable. When angina becomes unstable, it is commonly associated with a heart attack, which is a medical emergency. Stable angina is not usually an emergency, but it can be painful and frightening.