An introduction to pathology and morbid anatomy / by T. Henry Green.

  • Green, T. Henry (Thomas Henry), 1841-1923
Date:
1889
Catalogue details

Licence: Public Domain Mark

Credit: An introduction to pathology and morbid anatomy / by T. Henry Green. Source: Wellcome Collection.

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    found a special coccus constantly present in the papules ; it was dem- onstrable in the blood in severe cases only. Here it either occupied the interior of leucocytes or performed swirling movements round them. The prognosis is bad if cocci are seen in the blood. Cornil and Babes ^ found numerous diplococci in the interstitial tissue and vessels of the affected parts of the lungs of children dying with broncho-pneumonia. From the blood taken from papules a strep- tococcus was cultivated, many of the links of which resembled the diplococci above mentioned. Inoculated upon the skin of guinea-pigs, they caused redness of skin, conjunctivitis, and fever. Vaccinia.—Chauveau and Burdon Sanderson showed by subsi- dence, filtration, and diffusion experiments that the virus of vaccine was particulate. Godlee and many continental workers have culti- vated cocci from the fluid, some of the cultivations failing to induce vaccinia, whilst others succeeded. But the cause of their success seems to have been, not the cultivated cocci, but the vaccine virus, w^hich they had neither discovered nor succeeded in eliminating. Koch and Feiler failed to cultivate from vaccine-lymph any germ capable of causing vaccinia. Opinions still differ as to whether cowpox is, or is not, the result of inoculation upon the cow of the smallpox poison. Cerebro-spinal Meningitis (epidemic). — Marchiafava and Celli found cocci constantly in the exudation, generally as diplococci: prob- ably smaller than gonorrhoeal organisms. They are not present in the organs generally, but are found in groups in the pia mater. Micrococci have been described also in Typhus^ (actively-moving, dumbbell cocci in blood in all [twelve] cases, and plugs of them prob- ably in lymphatics in each of six hearts examined), Variola, Acute Yellow Atrophy of the liver (early stage), Whooping Coug-h, Dys- entery, and many other diseases, but the evidence in favor of their causal relationship to the respective diseases is not sufficient to justify a description of them here. We may end the account of the patho- genic cocci by noting—on account of its historical and economic importance—that Pasteur very early proved that a fatal disease of silkworms, pebrine, is due to the action of a micrococcus (M. bom- bycis). The disease is hereditary, and the coccus is found iyi the eggs. II. Genus Sarcina (Goodsir).—A micrococcus which divides in three diameters at right angles to each other is often found in vomit 1 Les Bacteries, p. 621, 2d ed. '^F. W. Mott, Brit. Med. Journ., vol. ii., 1883, p. 1059.