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CHAP. XIX. Of the STONE in the Reins.
1. AS this is a Disease with which many are afflicted, so it is of as hard and difficult Cure, for which variety of Medica∣ments are instituted. The cause of which is this: That those things which do some good and cure them to boot, yet do others no good at all, and sometimes make them worse; for which Rea∣son sake, we shall make it it our Business here to exa∣mine variety of Authors, and hear what they all say.
II. It is a Disease like the Colick; but it is distingui∣shed from it, because in the Stone, the pain continues 〈◊〉〈◊〉 in one place; and in the beginning the Urine is clear, but afterwards of a troubled Substance, bringing forth with it at length Gravel, Stones, and such-like; where∣as in the Colick the Pain is different, or in different Parts, afflicting for the most part the Colon; and in the beginning the Urine is of a troubled Substance, af∣terwards more clear.
III. How Gravel (which is the Progenerator of the Stone) is bred, there is va∣rious Opinions: Spigelius, by his Discourse, seems to believe it to be bred in the Veins; for he saith, That he has found the Blood in the Veins full of small Gra∣vel; and if so, it is natural for it to descend with the Substance of the Blood, into the emulgent Arteries, and from thence with the Serum to the Reins and Blad∣der.
IV. But by what Artifice Gravel is generated, is ano∣ther