. Internal medicine; a work for the practicing physician on diagnosis and treatment, with a complete Desk index. and characterized by undulant fever, rapid pulse, weakness, loss of flesh, and frequently a pro-tracted lethargy. Etiology. — Predisposing In-fluences.—As a disease of horsesand cattle trypanosomiasis is knownas surra in India and the Philippinesand is prevalent in South has, in fact, no less than sixtrypanosomal diseases, all of themvery important: nagana, dourine,galziekte, zouspana, Gambian horsedisease, and human trypanosomiasis is widelydistr
. Internal medicine; a work for the practicing physician on diagnosis and treatment, with a complete Desk index. and characterized by undulant fever, rapid pulse, weakness, loss of flesh, and frequently a pro-tracted lethargy. Etiology. — Predisposing In-fluences.—As a disease of horsesand cattle trypanosomiasis is knownas surra in India and the Philippinesand is prevalent in South has, in fact, no less than sixtrypanosomal diseases, all of themvery important: nagana, dourine,galziekte, zouspana, Gambian horsedisease, and human trypanosomiasis is widelydistributed in Uganda and the WestCoast of Africa. It is conveyed bythe tsetse fly—Glossina palpalis. Exciting Cause.—This flagel-late protozoon was first discoveredby Gruby in the blood of the frogin 1843. The organism is a unicel-lular, elongated body having anundulating fold or membrane upoiithe dorsal edge which terminatesin a fiagellum of varying specimens show a large nucleus and a small chromatin mass near onepole. It has recently been grown by Novy on artificial media in the labo-. FiG. 284.—Trypanosoma gambiense.—After Bruceand Nabarro. DISMASKS \)VK To V\H)Ti)Zn.\. 243 ratory. It wus lutcr noted to be ii c-ominoii hUjod jjurasite in hiids and fi> wus found in 1878 by Lewis in the rat and subsccjucntly in cattle andhorses by l]vans (18X0) and Hrnee (1895). Dutton first reeoffiiized trypano-somes in the bUxxl of human l^eiufrs in 1!)()2. rryj)anos()nies iiave beenobserved with j!;reat frequency in tiie sk*eping sickness f)r African lethargyant! hav(> a causal relation to that disease. Symptoms.—As in the case of rats and other animals, trypanosomeinfection may be latent in human bein<rs. Thvpaxdsomk Fkvp:i{.—Thesymi)toms consist of irregular fever, rapid pulse, weakness, swelling of thelympii-nodes and spleen, and oedema of the feet. This form of the been produced in monkeys by inoculation. Sleeping —Thepe
Size: 1346px × 1856px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1920, booksubjectmedicine, bookyear192
