An historical sketch of medicine and surgery, from their origin to the present time; and of the principal authors, discoveries, improvements, imperfections and errors / by W. Black.
- Date:
- 1782
Licence: Public Domain Mark
Credit: An historical sketch of medicine and surgery, from their origin to the present time; and of the principal authors, discoveries, improvements, imperfections and errors / by W. Black. Source: Wellcome Collection.
Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.
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![I C 92 ] degrees of pain alfo indicate the parts which fufferj in pungent acute pain, a membranous part is atr- tacked j in pain with convulfions, a nerve. Diseases are alfo known by the excretions and evacuations. Little pieces of flefh emitted with the urine, defeend from the kidneys, but if in fmall fcales, like bran, from the bladder: blood ifluing from a vefiel or outlet, in an unequal current, and violent ftarts burfts from an artery ; blood coughed up fhews, that a veflel of the lungs is ruptured j and when mixed with matter or pus, indicates an ulceration in the fame organs ; the colour of the Ikin changed to a deep yellow, as in jaundice, is a fign that the bile is obftruded. Galen has written feve- ral chapters or books, exprefsly to determine the feat of different difeafes, which may be rank’d amongtl the moft feledt parts of his works. ' From the caufes of difeafes, continues this Au- thor, we are furnifhed with matter to determine the individual nature of each. From Plethora and Caco- chymia of the humours he derived many difeafes. There might, according to his fyftem, be a plethora of all the four humours j but if the two Biles or Pituita notably exceeded their juft proportion, it was called Cacochymia, becaufe the blood was by that means corrupted : thefe humours might alfo be in a ftate of cacochymia merely from degeneracy of their primary qualities. The predominant features of the four primary plernents were thus diftinguifhed. Sanguine ple- thora](https://iiif.wellcomecollection.org/image/b21909660_0106.jp2/full/800%2C/0/default.jpg)
