are part of the National Library of Medicine's hierarchy of index terms They are used to qualify *Medical Subject Headings For example to find articles on the diagnosis of Lyme Disease, you would look under the *Medical Subject Heading LYME DISEASE and qualify it with the subheading DIAGNOSIS
Qualifiers used by the National Library of Medicine (NLM) for indexing in conjunction with MeSH (Medical Subject Headings) for MEDLINE Subheadings are used to further describe a particular aspect of a MeSH concept
generic terms to narrow and focus a MeSH subject heading search; on OVID systems, the scope of each subheading is presented on the right hand panel of the search screen where subheadings are selected One or several headings may be selected at a time, and "all subheadings" may be selected
a heading or caption subordinate to a main headline, heading, or title especially when inserted as a divider between sections (as of a newspaper or periodical article or story or text of a book)
Subheadings are titles that divide part of a piece of writing into shorter sections. a short phrase used as a title for a small part within a longer piece of writing
A secondary heading added to a subject heading, usually following a dash or some other punctuation, to divide entries under the subject into more specific subcategories