What is the medical term meaning study of abnormal body function?

Answer 1

Physiology is the study of the functions of an organism or the functions of its parts.

The study of the functions of a structure is known as physiology. The study of the structure of an organism is called anatomy. (In contrast, pathophysiology is the study of abnormal functions) For example anatomy would be parts of the heart and what it looks like. Physiology would be how it works.

Answer 2

pathophysiology
Pathophysiology
Pathophysiology

Answer 3

if you mean just the description of the organs and parts of the body is anatomy. If it is the functioning and relation of an between organs is fisionomy.
Physiology