A pathological (abnormal) structure or process.
- DiseaseOrPhenotypicFeatureExposure (mixin) - A disease or phenotypic feature state, when viewed as an exposure, represents an precondition, leading to or influencing an outcome, e.g. HIV predisposing an individual to infections; a relative deficiency of skin pigmentation predisposing an individual to skin cancer.
- PathologicalAnatomicalStructure (mixin) - An anatomical structure with the potential of have an abnormal or deleterious effect at the subcellular, cellular, multicellular, or organismal level.
- PathologicalProcess (mixin) - A biologic function or a process having an abnormal or deleterious effect at the subcellular, cellular, multicellular, or organismal level.