Identifier: referencehandboo05buckuoft (find matches)
Title: A Reference handbook of the medical sciences embracing the entire range of scientific and practical medicine and allied science
Year: 1900 (1900s)
Authors: Buck, Albert H. (Albert Henry), 1842-1922
Subjects: Medicine -- Dictionaries
Publisher: New York W. Wood and company
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: MSN

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w growth the specific bacillus is present in ex-traordinarily large numbers. This organism presents a 487 Leprosy.Leprosy, REFERENCE HANDBOOK OF THE MEDICAL SCIENCES. striking resciiiblaiia. to the b;icilliis of tuburculosis, bothniorpliologiciUly auil as regards its staining reactions. Itwas discovered b\- Hansen in 1874, and his observationswere independently confirmed by Neisser in 1879. It issomewhat thinner but a little longer than the tuberclebacilhH, though variations in size occur. Its averagelength is fi-oni 5 to 6 /;. Often in ordinary sections onefinds the whole area crowded with bacilli. They fre-quently present a beaded appearance, which has ledsome observers lo believe that they exhibit spore forma-tion ; t lis, however, is doubtful. They appear to be ingroups, these usuailj being situated in large ovoid cells,which constitute the lepra cell. In the discharges fromulcers and diseased tissues, large numbers of bacilli arepresent, and the same tendency to grouping in ovoid
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Fig. 3190.—Section of Leprous Nodule in Skin showing Lepra Bacilli and Giaut Cell Suuton.J masses is often noticeable. Besides the two common lo-cations, the skin and the peripheial nerves, these organ-isms have been found in greater or less abundance in themucous membranes, cartilages, spleen, liver, lymphaticglands, hair follicles, cornea, testicle, spermatic cords,ovaries, blood-vessel walls, kidneys, and mammarygland. They are not found in the muscles, spinal cord,bones, or joints, nor in secondary lesions, such as buUiti:nor are they found in the urine or menstrual discharges,and tliey are absent from all physiological secretionsunless path()logisthetic vari-ety they are present in very small numbers; but theyare numennis in the connective-tissue sheaths of the per-ipheral nerves. Successful inoculations of the hiwer ani-mals have not bee

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