urine culture and sensitivity (C&S), a microscopic study of the urine culture performed to determine the presence of pathogenic bacteria in patients with suspected urinary tract infection.rine culture and sensitivity (C&S), a microscopic study of the urine culture performed to determine the presence of pathogenic bacteria in patients with suspected urinary tract infection.
physiology. 1  the branch of biology dealing with the functions and activities of living organisms and their parts, including all physical and chemical processes. 2  the organic processes or functions in an organism or in any of its parts.
Definition of physiology. 1 : a branch of biology that deals with the functions and activities of life or of living matter (as organs, tissues, or cells) and of the physical and chemical phenomena involved â compare anatomy.