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Lethal Dose 50
MeSH Descriptor Data 2024
Details
Qualifiers
MeSH Tree Structures
Concepts
MeSH Heading
Lethal Dose 50
Tree Number(s)
E05.940.402
G07.225.500
G07.690.773.875.750
G07.690.936.500.750
Unique ID
D007928
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D007928
Annotation
usually NIM; do not coordinate with
/mortal
in experimental studies
Scope Note
The dose amount of poisonous or toxic substance or dose of ionizing radiation required to kill 50% of the tested population.
Entry Term(s)
LD50
Previous Indexing
specific drug/toxicity (1966-1970)
Public MeSH Note
76; was see under TOXICOLOGY 1975
History Note
76(71); was see under TOXICOLOGY 1975
Date Established
1976/01/01
Date of Entry
1999/01/01
Revision Date
2015/06/29
No Qualifiers
Investigative Techniques [E05]
Toxicity Tests [E05.940]
Carcinogenicity Tests [E05.940.150]
Cytotoxicity Tests, Immunologic [E05.940.245]
Inhibitory Concentration 50 [E05.940.350]
Lethal Dose 50 [E05.940.402]
Maximum Tolerated Dose [E05.940.481]
Mutagenicity Tests [E05.940.560]
No-Observed-Adverse-Effect Level [E05.940.600]
Toxicity Tests, Acute [E05.940.790]
Toxicity Tests, Chronic [E05.940.800]
Toxicity Tests, Subacute [E05.940.850]
Toxicity Tests, Subchronic [E05.940.900]
Physiological Phenomena [G07]
Dose-Response Relationship, Radiation [G07.225]
Lethal Dose 50 [G07.225.500]
Physiological Phenomena [G07]
Pharmacological and Toxicological Phenomena [G07.690]
Pharmacological Phenomena [G07.690.773]
Dose-Response Relationship, Drug [G07.690.773.875]
Hormesis [G07.690.773.875.500]
Lethal Dose 50 [G07.690.773.875.750]
Physiological Phenomena [G07]
Pharmacological and Toxicological Phenomena [G07.690]
Toxicological Phenomena [G07.690.936]
Dose-Response Relationship, Drug [G07.690.936.500]
Hormesis [G07.690.936.500.500]
Lethal Dose 50 [G07.690.936.500.750]
Expand All
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Lethal Dose 50
Preferred
Concept UI
M0012370
Scope Note
The dose amount of poisonous or toxic substance or dose of ionizing radiation required to kill 50% of the tested population.
Terms
Lethal Dose 50
Preferred Term
Term UI
T023613
Date
01/01/1999
LexicalTag
NON
ThesaurusID
NLM (1971)
LD50
Term UI
T023614
Date
07/16/1975
LexicalTag
ABB
ThesaurusID
UNK (19XX)
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