Hookworm disease : etiology, pathology, diagnosis, prognosis, prophylaxis, and treatment / by George Dock and Charles C. Bass. Illustrated with forty-nine special engravings and colored plate.

  • Dock, George, 1860-1951.
Date:
1910
Catalogue details

Licence: Public Domain Mark

Credit: Hookworm disease : etiology, pathology, diagnosis, prognosis, prophylaxis, and treatment / by George Dock and Charles C. Bass. Illustrated with forty-nine special engravings and colored plate. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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    blood vessel, the wall of the latter becomes eroded. The blood that flows out is partly swallowed, the rest escapes beside the worms, forming the well-known hemorrhages. (Looss.) It is important to realize the difference between epithelial cells only'and the mucosa, including the sub mucosa, which Fig. 31. Jejunum in a fatal case of uncinariasis, showing extensive scarring and inflammation of tlie intestine, a. Bases of crypts of Lieberkiihn; many polynuclear leucocytes in tlie interglandular tissue; b, muscularis mucosae distorted and scarred, invaded by many wandering cells, many of them eosinophiles; c, submucosa, which is much tliickened and full of every type of cell—eosinophiles, polynuclears, and polyblasts. There is much scar tissue; new-formed blood vessels are seen. (After Whipple.) Looss thinks forms the food of the worms, and we doubt if the process as described takes place as often as mere blood- sucking. If it did, one would expect to see much more serious defects of the intestinal walls in cases with, say, 1,000 or 1,500 worms, and we should expect to see the worms