A modeling approach used in SNOMED CT to represent anatomical entities such as body organs, body systems, body regions,etc.
- Structure is the most general way to refer to an organ, body system or region.
- Entire refers to a complete organ, body system or region.
- Part refers to a part of an organ, body system or region. It explicitly does not refer to the entire organ, body system or region.
Figure 1 below illustrates the relationships between the structure, entire and part concepts applied to a the heart.
Figure 1: Structure-Entire-Part applied the heart