Phys`i*ol"o*gy (?), n.; pl. Physiologies (#). [L. physiologia, Gr. ; nature + discourse: cf. F. physiologie.]
1.
The science which treats of the phenomena of living organisms; the study of the processes incidental to, and characteristic of, life.
It is divided into animal and vegetable physiology, dealing with animal and vegetable life respectively. When applied especially to a study of the functions of the organs and tissues in man, it is called human physiology.
2.
A treatise on physiology.
Mental physiology, the science of the functions and phenomena of the mind, as distinguished from a philosophical explanation of the same.
© Webster 1913.