. Tierische Schädlinge und messmates. Parasiten. TRANSMIGRATIONS und Metamorphosen. 219. Kg. 63.- Taniamedio - canellata.worm, die keine Krone der Haken in der Mitte zwischen den vier Saugnäpfe. Diese einsamen Wurm wird durch Rindfleisch eingeführt, und die cysticercus, während seine Wohnstätte in der Kuh, Mani-fests bereits den besonderen Charakter-Eigenschaften, die es uns ermöglichen, uns der Arten zu erkennen, das heißt, keine Krone der Haken, aber vier Saugnäpfe, und in der Mitte von Ihnen, einige Flecken von Pigment. Leuckart gefüttert ein Kalb mit Eiern Dieser taenia, und am Ende der 17 Tage, das Tier starb am akuten Miliare tu

• Bildanbieter: The Book Worm / Alamy Stock Foto
• Bild-ID: RDJ668
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• Format: 1271 x 1966 px | 21,5 x 33,3 cm | 8,5 x 13,1 inches | 150dpi

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. Animal parasites and messmates. Parasites. TRANSMIGRATIONS AND METAMORPHOSES. 219. Kg. 63.—Taniamedio- canellata. worm, which has no crown of hooks in the middle of its four suckers. This solitary worm is introduced by means of beef, and the cysticercus, during its abode in the cow, mani- fests already the peculiar character- istics which enable us to recognize the species, that is to say, no crown of hooks, but four suckers, and in the middle of them, some blotches of pigment. Leuckart fed a calf with eggs of this taenia, and at the end of seventeen days, the animal died of acute miliary tuberculosis, produced by the great abundance of cysticerci. This second species, which had been always confounded with the preceding, and which is nevertheless the more common, has therefore a different origin from the Taenia solium. Observations made quite recently in the north of Africa demonstrate this. Great difficulty had sometimes been felt in explaining the presence of the taenia in persons who had not eaten pork. This embarrassment arose from the confusion of the two species, and this con- fusion is the more easy as the head of the colony must necessarily be found in order to distinguish them. Scharlau, at Stettin, found taeniae in seven children who had been fed, on account of anaemia, with raw meat. The taenisB were those of, this species. We have ourselves found them in children to whom the use of raw meat had been prescribed. We do not think it necessary to speak here of a third species of taenia (T. nana), which also lives at our. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original work.. Beneden, M. van (Pierre Joseph), 1809-1894. New York, D. Appleton and Co.

Stockbilder mithilfe von Tags suchen

• bookcentury1800
• bookdecade1870
• bookyear1876
• bücherubjektparasit