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.
the judge admitted the witness's expert testimony after a voir dire by the attorney; especially: the act or process of questioning prospective jurors to determine which are qualified (as by freedom from bias) and suited for service on a jury