pulmonary artery the large artery originating from the superior surface of the right ventricle of the heart and carrying deoxygenated blood to the lungs for oxygenation; it starts as the pulmonary trunk, which divides between the fifth and sixth thoracic vertebrae to form the right pulmonary artery that enters the right lung and the left pulmonary ...
Expert witnesses may be subpoenaed (issued with a witness summons), although this is normally a formality to avoid court date clashes. In the United States, under the Federal Rule of Evidence 702 (FRE), an expert witness must be qualified on the topic of testimony.
character witness - a witness who testifies under oath as to the good reputation of another person in the community where that person lives. expert witness - a witness who has knowledge not normally possessed by the average person concerning the topic that he is to testify about.