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.
PURE CULTURE TECHNIQUES I. OBJECTIVES â¢ To demonstrate good aseptic technique in culture transfer or inoculation and in handling sterile materials. â¢ To demonstrate skill in isolation of organisms from a mixed culture using selective and differential media.