Process and anatomical phenotypes. (a) MP mixes process and anatomical/morphology phenotypes in the same is_a hierarchy. (b) MP-XP maps these to GO-BP and MA based descriptions respectively. (c) GO-BP to Uberon mappings make the link between the process class 'tooth development' and the general anatomical class 'tooth' explicit. (d) Uberon declaration stating that a mouse tooth is a subclass of the more general 'tooth' class.