define pathphysiology
Medical Definition of PATHOPHYSIOLOGY. : the physiology of abnormal states; specifically: the functional changes that accompany a particular syndrome or disease. â pathoÂ·physÂ·iÂ·oÂ·logÂ·iÂ·cal \-Ä-É-Ëlaej-ËlÃ¤j-i\ kÉl orÂ·pathoÂ·physÂ·iÂ·oÂ·log \-ic\ ik. â adjectiveÂ·pathoÂ·physÂ·iÂ·olÂ·o \-gist-Ä-Ëael-ËÃ¤l\ É. jÉst noun