Physical Entity - - - - - - - - - - - - - - (Object, except as noted in red)

        Organism (all subtypes, including human)
        Anatomical Structure (normal into cells, embryonic, abnomal)
        Manufactured Object (medical/research devices and drug?)
        Substance (chemical functional/physical view, body stuff, food)

    Conceptual Entity - - - - - - - - - - - - (Object, except as noted in red)

        Idea or Concept (temporal, qualitative, quantitative, functional, spatial)
        Finding (on a Situation of PT; lab, test or symptom report)
        Attribute (often DataType; of some organism or group)
        Intellectual Product (class or law)
        Language
        Occupation or Discipline
        Group or Organization

   Activity - - - - - - - - - - - - - - - - - - - (Occurrent in various realms)

        Behavior (social or individual)
        Daily or Recreational Activity
        Occupational Activity (healthcare, research, gov, education)
        Machine Activity

    Phenomenon or Process - - - - - - - - (Occurrent in various realms)
 
       Human-caused Phenomenon or Process
       Natural Phenomenon or Process (biologic or pathologic)
       Injury or Poisoning

    Relation- - - - - - - - - - - - - - - - - - - (Associate of typical Situations)

        isa
        associated_with
            physically_related_to (part/whole, connects)
            spatially_related_to (at, near, surround, traverses)
            functionally_related_to (affects, causes, performs, misc??)
            temporally_related_to (at, precedes)
            conceptually_related_to (measures, evaluates, misc??)