Hierarchy classification:

1. top of the aat hierarchies
2. Associated Concepts Facet
3. Associated Concepts (hierarchy name)
4. scientific concepts

Additional parents:

1. top of the aat hierarchies
2. Objects Facet
3. Object Genres
4. object genres
5. artifacts

Anotations

Scope note:

Phenomena, appearances, or other results that are considered spurious because they do not necessarily represent a real biological, physical, or other structures or processes, but are instead created by the experimental technique or procedure itself.