Clinical diagnosis : the bacteriological, chemical, and microscopical evidence of disease . an indistinct alimentary canal and a tail equalto half the entire length. The presence of the parasite is attended withuncomfortable sensations, among which itching in the situation of theanus is /3. Family Strongyliclce (Levchart).lbl—To this family belongs one ANCHYLOSTOMA DUODENALE 227 of the most important and formidable of the parasites which infest thehuman intestine. This is— Anchylostoma duodenale (Dochmius duodenalis, Strongylus duo-denalis).—It was formerly believed that this wor


Clinical diagnosis : the bacteriological, chemical, and microscopical evidence of disease . an indistinct alimentary canal and a tail equalto half the entire length. The presence of the parasite is attended withuncomfortable sensations, among which itching in the situation of theanus is /3. Family Strongyliclce (Levchart).lbl—To this family belongs one ANCHYLOSTOMA DUODENALE 227 of the most important and formidable of the parasites which infest thehuman intestine. This is— Anchylostoma duodenale (Dochmius duodenalis, Strongylus duo-denalis).—It was formerly believed that this worm occurred only inthe tropics and in certain districts of Of late years, numerousobservations in Egypt (Sandivith), Italy (Perroncito and others153), Ger-many, Switzerland (Menche and others154), and Belgium155 have made itclear, together with the older researches,156 that the inhabitants of tem-perate regions are not free from its |The Anchylostoma is cylindrical in form. The male measures 8 to12 mm. in length, the female 10 to 18 mm. The anterior extremity. Fig. go.—Oxyuris vermicularis. a. Head ; 6. Female ; c. Male ; d. Eggs. a. (eye-piece\EI.,objective\[V., Zeiss); b. c. slightly magnified ; d. (eye-piece IV., objective VII. Zeiss). After Dr. Cori. is pointed, and reflected towards the dorsal surface. The oral orificeis armed with four claw-like teeth. The caudal extremity of the maleexpands into a pouch with three flaps; that of the female is pointed andconical; the vulva is situated behind the middle third of the body. The eggs are smooth and oval, measure to mm. in lengthand to mm. in breadth, and usually contain two or three largedaughter-cells. The embryos develop rapidly outside the human stools which contain eggs, the embryo may be seen and observedafter the lapse of twenty-four to forty-eight hours. Except when anthelmintics have been administered, the eggs are theonly signs of the parasite to be found in th


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Keywords: ., boo, bookcentury1800, bookdecade1890, booksubjectclinicalmedicine