. Zoology. Zoology. THE TAPE-WORM. 41 there are upward of from ten to thirty feet in length; eight hundred joints in a worm ten feet long. The head ends in a proboscis armed with a double crown of hooks; the first proglottis or sexually ma- ture segment begins at the 450th. While in some persons the presence of a tape-worm is simply an annoyance, in ner- vous and irritable persons it causes restlessness, undue anx- iety, and various dyspeptic symptoms. Among the pre- yentive remedies against tape- worms is the disuse of raw or underdone pork, and "measly" pork—, the flesh of swin
. Zoology. Zoology. THE TAPE-WORM. 41 there are upward of from ten to thirty feet in length; eight hundred joints in a worm ten feet long. The head ends in a proboscis armed with a double crown of hooks; the first proglottis or sexually ma- ture segment begins at the 450th. While in some persons the presence of a tape-worm is simply an annoyance, in ner- vous and irritable persons it causes restlessness, undue anx- iety, and various dyspeptic symptoms. Among the pre- yentive remedies against tape- worms is the disuse of raw or underdone pork, and "measly" pork—, the flesh of swine containing the little bladder- like vesicles. Cysticerci, or young tape - worms, can be readily distinguished, but when thoroughly cooked are harm- less, as the temperature of boiling water is sufficient to kill them. As a matter of course, in the use of drugs to expel a tape-worm they should be pushed so as to carry off the entire animal, as new segments grow out from near the head as rapidly as the joints are de- tached. The history of the human tape-worm, Tw}lia solium {¥\g- Wm. H.—Tannin solmm. Natural size, ..^ . J! ^^ m\ with the head magnified. Strobila 41), IS as follows: The eggs 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. N. Y. , Holt
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectzoology, bookyear1897
