PS Parts, Structures and Systems of Organisms

thorax in ps

circulatory-system in ps

The PS field contains the components of organisms above the macromolecular level as discussed in the source document. This field may also contain additional controlled and non-controlled terms that relate to the part(s) and/or structure(s) discussed in the source document. Use the Thesaurus to retrieve appropriate controlled terms. Use hyphens when searching by multi-term names.

For a broader search, use the Subject Terms (TS) field.

Note: This field is available in data added to the database from 1997 onward.