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.
(1) Depositions Upon Consent of Parties: The deposition of an expert witness upon consent of all the parties to a case shall be governed by Rule 74 rather than this Rule, except that the provisions of paragraph (e) of this Rule shall apply to such a deposition.