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.
The dominant culture in a society refers to the established language, religion, values, rituals, and social customs.ominant culture can be promoted with deliberation and by the suppression of other cultures or Subculture.