Culture-medium Sentence Examples

Each bacterium capable of growth gives rise to a colony visible to the naked eye, and if the colonies are sufficiently apart, an inoculation can be made from any one to a tube of culture-medium and a pure culture obtained.

For example, various sugars - lactose, glucose, saccharose, &c. - are added to test the fermentative action of the bacterium on these substances; litmus is added to show changes in reaction, specially standardized media being used for estimating such changes; peptone solution is commonly employed for testing whether or not the bacterium forms indol; sterilized milk is used as a culture medium to determine whether or not it is curdled by the growth.

Such toxins being set free in the culture medium are often known as extracellular.

A special culture medium is needed to grow Yersinia.

The resulting progeny were raised in the presence and absence of tetracycline in the culture medium.

Moist slough is visually repugnant and malodorous, and provides an ideal culture medium for bacteria.

However unlike other weakened viruses, varicella zoster remains in the cell rather than being secreted from the cell and collected from the culture medium.