0348 - Page 166 - Fig. IV. A Portion of the Aorta, with the Parts annex'd, in the same Position, as was represented in the preceding Figure, taken from a morbid Body, in which the use of the Semilunar Valves was entirely defeated by a large Petrefaction, that grew upon them. Fig. V. VI. Shew the same Parts of the Aorta, with its Valves viewed from the great Artery towards the Heart

Fait partie de Myotomia reformata : or an anatomical treatise on the muscles of the human body. Illustrated with figures after the life. By the late Mr. William Cowper, Surgeon, and Fellow of the Royal Society. To which is prefix'd an Introduction concerning muscular motion