MeSH definition : Geographical sites known to be extant in a remote period in the history of civilization,
familiar as the names of ancient countries and empires.;
MeSH annotation : ancient refers to a far-past date or period; GEN or unspecified ancient countries
or empires; prefer specifics; use historical tags; ancient refers to a far-past date or period; general or unspecified; prefer specific
ancient countries or empires; use historical tags;
Allowable qualifiers