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Updated: June 6, 2025
Cysticercus bovis Cattle Cysticercus cellulosa Swine and man Cysticercus tennicollis Cattle, sheep and swine Coenurus cerebralis Cattle and sheep Echinococcus polymorphus Cattle, sheep, swine and man The adult tapeworms Taeniae saginata and soleum, of which the Cysticerci bovis and cellulosa are the larvae forms, occur in man.
The larvae are present in meat and pork, and this form of parasitism is termed beef measles in cattle and pork measles in hogs. Man becomes host for these two forms of tapeworms through eating measly pork or beef that is not properly cooked. The dog is the host for Taeniae marginala, coenurus and echinococcus.
Cobbold reports the case of four simultaneous tapeworms; and Aguiel describes the case of a man of twenty-four who expelled a mass weighing a kilogram, 34.5 meters long, consisting of several different worms. Garfinkel mentions a case which has been extensively quoted, of a peasant who voided 238 feet of tapeworms, 12 heads being found.
The armed embryo uses its hooklets in boring its way through the wall of the intestine. On coming to rest, it develops into the larva or bladder-worm, which when eaten by a proper host gives rise to the mature tapeworm. The following tables give the most important tapeworms: ADULT FORMS Name Host Organ
Kennedy reports cases in which tapeworms have been expelled from infants five, and five and one-half months old. Heisberg gives an account of a tapeworm eight feet in length which came from a child of two. Twiggs describes a case in which a tapeworm 36 feet long was expelled from a child of four; and Fabre mentions the expulsion of eight teniae from a child.
It is quite possible for a number of tapeworms to exist simultaneously in the human body. Palm mentions the fact of four tapeworms existing in one person; and Mongeal has made observations of a number of cases in which several teniae existed simultaneously in the stomach. David speaks of the expulsion of five teniae by the ingestion of a quantity of sweet wine.
He dwells on the itching in the region of the anus, caused by the oxyuris, and the fact that they probably find their way into the upper part of the digestive tract because of the soiling of the hands. He knew that the tapeworms often reached great length, he has seen one over sixteen feet long, and also that they had a life cycle, so that they existed in two different forms.
These dust covered volumes with their five color plates of the fifty-seven varieties of tapeworms, still rest on the shelves of public libraries, a monument to the time when the practical poultryman knew only things that weren't so, and the scientific poultryman knew only things that were useless.
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