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.
Co-culture refers to a group of people that are not part of the dominant structure of society, nor do they contribute to this structure. This often includes minorities or ethnic... Co-culture refers to a group of people that are not part of the dominant structure of society, nor do they contribute to this structure. This often includes minorities or ethnic groups. The study of how the co-culture, or subculture, communicates with the dominant societal structure is known as co-culture theory. The theory dictates that people who are part of the co-culture communicate differently with the dominant culture.