Secretion the source of pleasurable sensations : a thesis, submitted to the examination of the professors of the College of Physicians and Surgeons and publicly defended before them, in the city of New-York, March 1923 / by John L. Suckley.

  • Suckley, John L.
Date:
1823
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Licence: Public Domain Mark

Credit: Secretion the source of pleasurable sensations : a thesis, submitted to the examination of the professors of the College of Physicians and Surgeons and publicly defended before them, in the city of New-York, March 1923 / by John L. Suckley. Source: Wellcome Collection.

Provider: This material has been provided by the National Library of Medicine (U.S.), through the Medical Heritage Library. The original may be consulted at the National Library of Medicine (U.S.)

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    when the matter secreted has accumulated so as to distend the firm covering, are we sensible of any disagreeable feeling. Not only do stimuli, applied to the skin, induce secretion, but, when applied to any other parts, they are succeeded by similar consequences. Particles of dust or sand, when in contact with the adnata of the eye, cause an immediate increased flow of tears, which at once relieves, by counteracting the pain, and discharging the offending material. The irritations produced by savin, hellebore, and tobacco,on theschneiderean membrane, are followed by the same happy effects of an increased secretion. We may add that all the mucous and serous tissues of the body; as the internal coat of the intestines, the lining membrane of the urethra, bladder, ureters, and biliary ducts, with the dura mater, peritoneum, and pleura, are all excited to the deposition of an augmented quantity of their peculiar fluids, on the application of any ex- citement. This accumulated fluid is not