The UMLS metathesaurus did not exhaust the set of all anatomical terms during the development of the anatomical database. Therefore temporary concept UIs were created when newly segmented structures are added to the database. Presently all anatomical database terms imported from the UMLS metathesaurus begin with the character '0'. The image database defines a lexicon for identifying anatomical relations. This lexicon is the relational mapping source for all anatomical database terms.
Anatomical parents are the superior anatomy structure for a specific anatomical part.
Anatomical parents are of the same structure type as its child structure. Lexical entries of structure types P represent the various physiological systems for the body. Body Regions are collections of anatomical structures located within a given division or subdivision of the human body. Lexical entries of structure types R represent the various regions for the body. Excluding generic images of the Visible Human data set, all image data imported to the database are submitted as file pairs, an image file and knowledge frame file.