Glossary & References / Keywords List / Definitions:

Term to be defined Definition Synonyms & Keywords
LD50 - "Dose of a toxic chemical or pathogen which will kill 50% of the test organisms to which it is given. This is generally expressed for a toxic chemical as milligrams of toxicant per kilogram bodyweight of the test organism (mg/kg)." (B73, B250, V.w5)
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