The dose amount of poisonous or toxic substance or dose of ionizing radiation required to kill 50% of the tested population.
LD50,Dose 50, Lethal
D008297
Male
Males
D001835
Body Weight
The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms.
Body Weights,Weight, Body,Weights, Body
D003370
Coturnix
A genus of BIRDS in the family Phasianidae, order GALLIFORMES, containing the common European and other Old World QUAIL.
Japanese Quail,Coturnix japonica,Japanese Quails,Quail, Japanese,Quails, Japanese
D004361
Drug Tolerance
Progressive diminution of the susceptibility of a human or animal to the effects of a drug, resulting from its continued administration. It should be differentiated from DRUG RESISTANCE wherein an organism, disease, or tissue fails to respond to the intended effectiveness of a chemical or drug. It should also be differentiated from MAXIMUM TOLERATED DOSE and NO-OBSERVED-ADVERSE-EFFECT LEVEL.
Drug Tolerances,Tolerance, Drug,Tolerances, Drug
D005260
Female
Females
D005459
Fluorides
Inorganic salts of hydrofluoric acid, HF, in which the fluorine atom is in the -1 oxidation state. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Sodium and stannous salts are commonly used in dentifrices.
Fluoride
D000818
Animals
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA.