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Term:
dose of irradiation that is fatal to 50% of the total study population (CMO:0003665)
Annotations: Rat: (0) Mouse: (0) Human: (0) Chinchilla: (0) Bonobo: (0) Dog: (0) Squirrel: (0) Pig: (0) Naked Mole-rat: (0) Green Monkey: (0)
Parent Terms Term With Siblings Child Terms
mortality measurement +     
age at time of death +   
dose of irradiation that is fatal to 50% of the total study population 
The amount of x-radiation that is sufficient to kill 50 percent of a population within a certain time frame.
offspring mortality measurement +   
post-insult time of death +   
ratio of deaths to total study population during a period of time +   

Synonyms
Exact Synonyms: dose of x-radiation that is fatal to 50% of the total study population ;   x-ray LD50
Broad Synonyms: x-ray lethal dose 50
Xrefs: PMID:30575429
Definition Sources: https://www.merriam-webster.com/, https://www.nrc.gov/reading-rm/basic-ref/glossary/lethal-dose-ld.html

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