plerocercoid


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ple·ro·cer·coid

(plē'rō-ser'koyd),
A stage in the development of a tapeworm following the procercoid stage, which develops in an animal serving as the second or subsequent intermediate host; a wormlike nonsegmented larva with an invaginated scolex at one end, usually unencysted in the flesh of various fishes, reptiles, or amphibians, the ingestion of which transmits the parasite to the final host.
See also: Diphyllobothrium latum.
[G. plērēs, full, complete, + kerkos, tail]

plerocercoid

(plîr′ō-sûr′koid′)
n.
The infective larval form of certain tapeworms, having a solid wormlike body and developing from the procercoid.

plerocercoid

[plir′ōsur′koid]
the second larval stage of the cestode Diphyllobothrium latum. It develops in the second intermediate host, a freshwater fish, and is infective to humans if ingested.

plerocercoid

the second larval stage of a pseudophyllidean cestode which follows the procercoid. This larva infects a wide range of vertebrate hosts including fish, amphibia, reptiles, mammals, birds. They are elongated, have a solid body and carry an adult scolex. As a migrating larva of a tapeworm, this is an infectious stage of importance in predation; the definitive host becomes infected by eating the tissues of the second intermediate host.
References in periodicals archive ?
dendriticum (Nitzsch, 1824), have been rarely reported as adults in human infections or as plerocercoids (larvae) from fishes in Chile, Argentina, and Brazil.
those that may harbor infective plerocercoids of diphyllobothriid tapeworms) (2).
We found 250 plerocercoids in tadpoles and 1,387 in frogs.
In addition, a 3-month-old specific pathogen-free cat was orally inoculated with 33 plerocercoids from tadpoles, fecal samples were microscopically examined by sedimentation during 10-25 days postinfection (dpi), and the cat was euthanized and examined for adult worms.
Studies on parasites of masu salmon, Oncorhynchus masou--observations on the seasonal occurrence of Diphyllobothrium latum plerocercoid [in Japanese].
12) investigated plerocercoids (infective larvae) in wild Pacific salmon caught in waters off the coast of northern Japan and sent to Tokyo fish markets during March-July, 2000-2002.
The Brazilian studies did not detect Diphyllobothrium plerocercoids in several samples of Chilean salmon tested after the first human cases of diphylobothriasis appeared (7).
Traditionally in Europe and North America, infections with fish tapeworms were incurred during the preparation of gefilte fish by Jewish women who tasted bits of uncooked freshwater fish and thus ingested plerocercoids (21).
latum plerocercoids and help implement educational and sanitary measures and prevent diphyllobothriasis from becoming endemic in Brazil.