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.
E. Schein. Culture is the fabric of meaning in terms of which human beings interpret their experience and guide their action. Clifford Geertz. Culture is a little like dropping an Alka-Seltzer into a glass-you don't see it, but somehow it does something.ulture is the fabric of meaning in terms of which human beings interpret their experience and guide their action. Clifford Geertz. Culture is a little like dropping an Alka-Seltzer into a glass-you don't see it, but somehow it does something.