pathobiology

noun

1. (uncountable, usually)The branch of biology that deals with pathology with greater emphasis on the biological than on the medical aspects.
2. (uncountable, usually)pathology (in any of its senses: study of disease, instance of disease, mechanism of disease).
3. (uncountable, usually)The biologic explanations of pathogenesis, to include both pathoanatomy and pathophysiology.