*physiology*

n. (Physiol.) That branch of physiology which treats of electric phenomena produced through physiological agencies; it is especially concerned with electrical impulses generated by and conducted between nerves. [ 1913 Webster +PJC ]

n.; pl. Physiologies [ L. physiologia, Gr. fysiologi`a; fy`sis nature + lo`gos 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. [ 1913 Webster ]

☞ 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. [ 1913 Webster ]

2. A treatise on physiology. [ 1913 Webster ]

Mental physiology, the science of the functions and phenomena of the mind, as distinguished from a philosophical explanation of the same. [ 1913 Webster ]