Source:http://linkedlifedata.com/resource/umls/id/C0014906
MSH: In certain living species, a period of dormancy during the summer months marked by decreased metabolism.,GO: Any process in which an organism enters and maintains a period of dormancy, similar to hibernation, but that occurs during the summer. It insulates against heat to prevent the harmful effects of the season. [GOC:jl, PMID:12443930, Wikipedia:Estivation]