An association between a source concept and a destination concept. The type of association is indicated by a reference to an attribute concept.
Each relationship provides defining information about the source concept.
- Relationships are represented by rows in the relationship file.
The relationship in the table below states that part of the definition of the concept
74400008 |appendicitis| is that its
363698007 |finding site| is the
66754008 |appendix structure|.
Table: Example of a Relationship (for clarity the US English preferred term is shown for each concept)