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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a helminthic disease of humans and animals caused by a tapeworm (cestode). In man helminths are parasitic in the intestine (for example, adult tapeworms and the broad fish tapeworm) and various other organs and tissues. The larval stages of Echinococcus, Alveococcus, and Cysticercus concentrate in the liver, brain, and eyes. Infection occurs after the parasite’s eggs (for example, the dwarf tapeworm and Echinococcus) or larvae (for example, beef and pork tapeworms) enter the alimentary canal. Infestation causes gastrointestinal disorders, anemia, and disturbances of the liver, nervous system, eyes, and other organs and systems. The most common cestodiases affecting humans are diphyllobothriasis, hymenolepiasis, teniasis, and echinococcosis.

Cestodiases of animals are caused chiefly by cestodes of the two orders Pseudophyllidea and Cyclophyllidea. The season when infestation takes place and the site where the parasites concentrate vary with the species of the causative agent. Adult cestodes may be parasitic on the intestinal mucosa, causing it to become inflamed. In echinococcosis the larval stages of the cestodes form cysts in the liver, and the larvae continue to live inside the cysts. In coenurosis cysts develop in the brain, intermuscular tissue, and subcutaneous tissue; the symptoms of the disease vary with the organ or tissue affected. Intestinal cestodiases are associated with diarrhea. In sheep coenurosis of the brain causes the animals to move involuntarily in a circle and throw their head back. Echinococcosis produces pain in the liver region. Diseased animals grow slowly, become emaciated, and sometimes die. Prevention requires worming of the animals and observance of sanitary rules in their maintenance.


Leikina, E. S. Vazhneishie gel’mintozy cheloveka, 3rd ed. Moscow, 1967.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Cestode Infections. The class Cestoda includes important zoonotic parasites of the family Taeniidae like Echinococcus sp.
Nematode infection intensities were not significantly different among bivalve taxa nor were cestode infection intensities between East- and Gulf-coast oysters (Figs.
Cestode infection intensity loaded about evenly between these first two factors, probably because cestode prevalence and cestode infection intensity tended to be somewhat differentially distributed (Table 6).
Efficacy of Emodepside plus Praziquantel Tablets (Profender[R] Tablets for Dogs) against Mature and Immature Cestode Infections in Dogs.
Human cestode infections Stage seen Species In man Common name Disease Taenia saginata Adult Beef tapeworm Rarely symptomatic Taenia solium Adult Pork tapeworm Rarely symptomatic Larva Cysticercosis Brain and tissue cysts Taenia multiceps Larva Bladderworm, Brain and eye cysts coenurosis E.
Cestode infections should be considered as differential diagnoses of co-infections in HIV/AIDS patients.
Most studies carried out among different ethnic groups stress a high prevalence of intestinal nematode infections (ascariasis, trichuriasis, hookworms, and strongyloidiasis), often affecting over half the village population, and moderate prevalence of cestode infections (mainly hymenolepiasis).
Proliferating acephalic larval cestode infections have been described since 1908.
DISCUSSION: Taenia are grouped under cestode infections which are important zoonotic diseases.
The increased Treg levels found in many different protozoa and cestode infections are consistent with this possibility [7, 8].
To summarise, albendazole, the newer benzimidazole derivative, is effective against most intestinal nematode and cestode infections and is, therefore, the drug of choice in mixed worm infection.