The mechanism by which a disease starts and progresses.
The cellular events and reactions that occur in the development of disease.
The development of disease; pathologic mechanisms.
The origin, production and development of a morbid or diseased condition.
An agent that is the causative agent of a disease; for example, bacteria.
The ways in which a disease or disorder starts and develops. The term applies in particular to the physiological and cellular activities that are involved in the mode of origin and development of the condition.
The origin and development of a disease.
The concatenation of events underlying the progression of an illness, commencing with the primary interaction between a disease-causing microorganism and its host, culminating in the manifestation of the complete symptomatology.
The mechanisms through which a disorder initiates and progresses.
The process through which a disease develops, also known as pathogeny.