(Greek: open market or meeting place) Large, open public space which served as a place for assembly for the citizens of a Greek city; the political, civic, religious and commercial center of a Greek city; buildings for all of these various purposes were constructed as needed in and around the agora.
pathology. 1. the branch of medicine treating of the essential nature of disease, especially of the changes in body tissues and organs that cause or are caused by disease. 2. the structural and functional manifestations of a disease. adj., adj pathologÂ´ic, pathologÂ´ical.
Nuclear medicine. This is a branch of medicine that uses radiation to provide information about the functioning of a person's specific organs or to treat disease. In most cases, the information is used by physicians to make a quick, accurate diagnosis of the patient's illness.