(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.
National Institutes of Health (NIH) agency of the United States government that conducts and supports biomedical research into the causes, cure, and prevention of disease. The NIH is an agency of the Public Health Service of the U.S. Department of Health and Human Services.