minimal lethal dose

(redirected from minimal fatal dose)
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Related to minimal fatal dose: minimal lethal dose, sublethal dose, Minimum lethal dose

min·i·mal le·thal dose (MLD, mld),

1. the minimal dose of a toxic substance or infectious agent that is lethal, as assayed in various experimental animals (for example, the least amount of diphtheria toxin that, on an average, kills a 250-g guinea pig within 96 hours after subcutaneous inoculation); when followed by a subscript (generally "MLD50"), denotes the minimal dose that is lethal to a certain percentage (for example, 50%) of animals so assayed.
2. lD05.

min·i·mal le·thal dose

(MLD) (min'i-măl lē'thăl dōs)
1. The smallest amount of a toxic substance or infectious agent that is lethal, as assayed in various experimental animals; when followed by a subscript (generally "MLD50"), denotes the minimal dose that is lethal to a certain percentage (e.g., 50%) of animals so assayed.
2. LD50.
See: lethal dose

min·i·mal le·thal dose

(MLD) (min'i-măl lē'thăl dōs)
Lowest dose of a toxic substance or infectious agent that will cause death, as assayed in various experimental animals.
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