gram « Back to Glossary IndexA unit of mass in the metric system equal to one one-thousandth of a kilogram. Related Articles: 14 – 8 The human microbiome18 – 3 Bacillus anthracis is an endospore-forming microbe that can causes a lethal toxic infection called anthrax18 – 7 The microbes of the tuberculosis complex are slow-growing pathogens that gradually destroy the host18 – 8 Tetanus and botulism are intoxications caused by clostridia2 – 3 How we describe simple molecules« Back to Glossary Index