Angina pectoris, commonly known as angina, is the sensation of chest pain, pressure, or squeezing, often due to ischemia of the heart muscle from obstruction or spasm of the coronary arteries.
Pure Culture. A pure culture is a population of cells or multicellular organisms growing in the absence of other species or types.
Storey states that Popular culture âis the culture that is left over after we have decided what is high cultureâ (Storey 2009, p. 6). Popular culture is therefore seen as âinferior cultureâ or âlow culture' (ibid).