Sterilization.—The process of rendering sterile.

Sterilize.—To render sterile.

Streptococcus.—A variety of bacteria that arrange themselves in chains.

[Stupe.]—A cloth wrung out of hot water and applied to the surface of the body.

Susceptible.—Lacking resistance to a disease.

Susceptibility.—The condition in which resistance to a disease is low.

T

Tetrad.—A variety of bacteria that arrange themselves in groups of four.

Tissue.—A collection of cells having the same function.

Toxin.—A poison produced by the action of micro-organisms.