Figure 1.

OBO-registered ontologies of physical objects, from the molecular scale up to gross anatomical scale. Above the cellular level, anatomical ontologies are partitioned taxonomically (the full breadth of taxonomic coverage in OBO is not shown). For mammals there is a second bipartite division, between fully formed structures and developing structures. The former are represented in the Foundational Model of Anatomy (FMA) and the adult Mouse Anatomy (MA), and the latter in the Edinburgh Human Developmental Anatomy (EHDA) and the Edinburgh Mouse Atlas Project (EMAP) ontologies.

Mungall et al. Genome Biology 2010 11:R2   doi:10.1186/gb-2010-11-1-r2
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