A treatise on the digestion of food / by G. Fordyce, M. D. F. R. S. fellow of the Royal College of Physicians, and reader on the practice of physic, in London.

  • Fordyce, George, 1736-1802.
Date:
1791
Catalogue details

Licence: Public Domain Mark

Credit: A treatise on the digestion of food / by G. Fordyce, M. D. F. R. S. fellow of the Royal College of Physicians, and reader on the practice of physic, in London. Source: Wellcome Collection.

Provider: This material has been provided by University of Bristol Library. The original may be consulted at University of Bristol Library.

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    [ 3° ] • them an> immenfe furface in proportion to- what they would have, if their interior furface were perfectly fmooth and polifhed. The filings which we find, muft often in- creafe the one furface, more than the other would be, many hundred times. Thefe are the remarks which I have to make on the difference between the ftomach and i-nteftines of men, and other animals which have regular ftomachs and inte/Hnes. from whence fluids are carried into another fet of vefTels, fuch as are called blood- vefTels in the human body* But there are animals which have no cirT culation of fluids as far as we can tell. For they have only one cavity, which ferves them both for heart and ftomach. This ca- vity has generally many membranes riling up in it, which break it into a kind of dif- ferent chambers, communicating with one another by large vacant fpaces. The food is received into this cavity, and is undulated backwards and forwards from one end of it to