Cysticercus

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cysticercus

[¦sis·tə′sər·kəs]
(invertebrate zoology)
A larva of tapeworms in the order Cyclophyllidea that has a bladder with a single invaginated scolex.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Cysticercus

 

a larval stage of tapeworms. The cysticercus resembles a cyst whose wall is retracted in one place to form the head; the head has suckers and sometimes hooks. The cysticercus develops from an oncosphere in any organ (frequently in muscles, brain, and eye) of its intermediate host, such as swine and cattle. After entering its definitive host, for example, a human being, the cysticercus protrudes from the cyst and the larva is transformed into an adult worm.

The cysticercus is characteristic of most tapeworms, the pork and beef tapeworms in particular.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.