A Reference handbook of the medical sciences - embracing the entire range of scientific and practical medicine and allied science (1885) (14597734827)

Identifier: refere07buck (find matches)

Title: A Reference handbook of the medical sciences : embracing the entire range of scientific and practical medicine and allied science

Year: 1885 (1880s)

Authors: Buck, Albert H. (Albert Henry), 1842-1922

Subjects: Medicine

Publisher: New York : William Wood

Contributing Library: Yale University, Cushing/Whitney Medical Library

Digitizing Sponsor: Open Knowledge Commons and Yale University, Cushing/Whitney Medical Library

Text Appearing Before Image:

ES. servers—may produce, these different lesions of tubercu-losis will appear less strauge. There is more differencebetween some of the skin lesions of syphilis and the oldliver gummata, than there is between the tubercular in-flammations and the miliary tubercle. All of the differ-ent tubercular lesions may be explained by the varyingresistance of the tissue, this depending in part upon itsanatomical structure and, we think, also on indefinableacquired and inherited properties, upon the manner inwhich the bacilli enter the tissue, their numbers, andalso upon the different degrees of virulence of the bacilli.The primary seat of tuberculosis most often is the lungs,the bacilli entering here with the inspired air. Theymay, however, and in some cases do, pass from the lungsinto the bronchial glands without the production of anypulmonary lesions, and the lungs may only secondarilybecome infected from the ulceration of such a gland intoone of the air-passages. Their introduction into the

Text Appearing After Image:

Fig. 4187.—Pearly Noilules Formed along a Band of Connective Tissuewhich Hung from the Diaphragm into the Peritoneal Cavity, (>£ ne-ural size.) body by the food also plays an important part. Theymay pass through the intact mucous membrane of almostany part of the alimentary canal, and be carried into thenext lymphatic glands, causing a primary tuberculosishere. The lymphatics of the neck may become infectedby bacilli which have entered them from the mouth.The mesenteric glands may be the seat of infection frombacilli which have entered them from the intestine. Itis possible that single bacilli may enter the blood-currentwithout the production of local lesions. They mightbecome enclosed in white blood-corpuscles and thusenter ; or it is possible to suppose that they might passthrough the lymphatic glands, and thus gain entrythrough the thoracic duct. The cases of primary tuber-culosis of the bones are explained in this way. How common these tuberculous affections of the bones are

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1885

Whitney Medical Library

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