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Comparison of the representation of “heart” in the FMA and two 3D graphic resources. Visible Body and ZygoteBody use the term “heart” in their hierarchies to subsume the set of structures diagrammed here. In the FMA, structures such as the aortic arch and pericardium are parts of structures that have relationships to the heart (continuous with the heart, or attaching to the heart) but are not modeled as parts of the heart.
