Page:The Hunterian Oration, delivered before the Royal College of Surgeons ... February 14, 1817 (IA b22009358).pdf/49

41 The art of injecting the arteries, veins, and lymphatics with wax, mercury, and other substances; by which the vascularity of parts, and the anastomoses of vessels were ascertained, &c.

From a correct knowledge of the structure of a living body——from close observation— and from well conducted experiments, were deduced those inferences as to the uses and powers of the several parts, upon which phystology and pathology principally rest. The different stages of digestion of the aliment— of chylification, and of sanguification, are easily traceable; and that upon the supply of arterial blood the life of a part depends, was ascertained.

The various and complicated apparatus by which faecal, useless, or noxious matters �