The correct microbiological term for the tiny sample of specimen that is put into a nutrient medium in order to produce a culture is the inoculum.
Nutrient medium is used in laboratories to grow cultures of microbes. The most widely used nutrient medium if of agar. The medium can be solid or liquid in state. The media contains all the necessary nutrients required to grow the cultures. The composition of the media varies from microbe to microbe.
Inoculum is the small amount of any substance added to begin the process. In laboratories, addition of a few cells of some microbes acts as an inoculum. Inoculum can also be added inside an organism's body in order to gain immunity.
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