pathomorphology

noun

patho·​mor·​phol·​o·​gy ˌpath-ō-mȯr-ˈfäl-ə-jē 

plural pathomorphologies

: morphology of abnormal conditions

pathomorphological

-ˌmȯr-fə-ˈläj-i-kəl 

adjective

or pathomorphologic

-ik