"Middle East" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
The countries of southwest Asia and northeastern Africa usually considered as extending from Libya on the west to Afghanistan on the east. (From Webster's New Geographical Dictionary, 1988)
Below are MeSH descriptors whose meaning is more general than "Middle East".
Below are MeSH descriptors whose meaning is more specific than "Middle East".
This graph shows the total number of publications written about "Middle East" by people in this website by year, and whether "Middle East" was a major or minor topic of these publications.
To see the data from this visualization as text, click here.