During the original show up through the 1970s, the show primarily covered Dr. Steve Hardy (John Beradino) and his friend, Nurse Jessie Brewer (Emily McLaughlin).
A biopsy is the removal of a sample of tissue or cells so that they can be examined by a pathologist, usually under a microscope. A specialist trained to examine a sample of tissue for signs and extent of disease under a microscope is called a pathologist.
A biopsy is a surgical procedure that involves the removal of a piece of the suspicious tissue; usually part of the lining tissue (mucosa) of the mouth or the underlying bone that has demonstrated possible involvement through the examination process.