. Zoology : for students and general readers . Zoology. INJURIES CAUSED BY TAPE-WORMS. 157 The common human tape-worm, Tmnia solmm Linn., yaries from ten to thirty feet in length ; there are upward of eight hundred joints in a worm ten feet long. The head ends in a rostellum or proboscis armed with a double crown of hooks ; the first proglottis or sexually mature segment begins at the 450th. While in some persons the presence of a tape-worm is simply an annoyance, in nervous and irri- table persons it causes restlessness, undue anxiety, and vari- ous dyspeptic symptoms. In rare cases (over a h
. Zoology : for students and general readers . Zoology. INJURIES CAUSED BY TAPE-WORMS. 157 The common human tape-worm, Tmnia solmm Linn., yaries from ten to thirty feet in length ; there are upward of eight hundred joints in a worm ten feet long. The head ends in a rostellum or proboscis armed with a double crown of hooks ; the first proglottis or sexually mature segment begins at the 450th. While in some persons the presence of a tape-worm is simply an annoyance, in nervous and irri- table persons it causes restlessness, undue anxiety, and vari- ous dyspeptic symptoms. In rare cases (over a hundred are known) death has resulted from the presence of the Cysticer-. 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 Packard, A. S. (Alpheus Spring), 1839-1905. New York : Henry Holt
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectzoology, bookyear1879
