plerocercoid


Also found in: Dictionary, Encyclopedia, Wikipedia.

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]
Farlex Partner Medical Dictionary © Farlex 2012

plerocercoid

(plîr′ō-sûr′koid′)
n.
The infective larval form of certain tapeworms, having a solid wormlike body and developing from the procercoid.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
References in periodicals archive ?
We found material assigned to Proteocephalidea in the plerocercoid stage, presenting a scolex with four simple suckers; both characteristics correspond to the order (Khalil et al., 1994).
Sparganosis is an infection caused by the plerocercoid larvae (spargana) of various diphyllobothroid tapeworms belonging to the genus Spirometra.
After ingestion of the infected fish, the plerocercoids develop into immature adults and then into mature adult tapeworms, which will reside in the small intestine.
(148) La second larval stage a procercoid (149) La third larval stage a plerocercoid (150) La protein embedments in epidermis of hexacanth (151)
After entry into humans, the plerocercoid larvae (spargana) migrate to different anatomic locations, where they cause space-occupying lesions as they develop into adults.
97% of the specimens showed infestation of cestode larvae: Hepatoxylon trichiuri (Holten, 1802) (abundance of 2.6 and prevalence of 70.2%), Tentacularia coryphaenae Bosc, 1802 (0.1 abundance, 5.6% prevalence), plerocercoid Tetraphyllidea (9.1 abundance, 83.1% prevalence), Pelichnibothrium speciosum Monticelli, 1889, Anisakis Type I (0.06 abundance, 6.5% prevalence) and Anisakis type II (0.52 abundance, 17.7% prevalence).
Plerocercoid Tapeworm larva in which the scolex is embedded in an enlarged tail; for example in Diphyllobothrium latum.
diplolister from the Caatinga of Pernambuco State: Raillietnema spectans Gomes, 1964 (Nematoda: Cosmocercidae) and Plerocercoid larvae of the family Proteocephalidae (Cestoda).
The finding of plerocercoid larvae of Diphyllobothriidae Luhe, 1910 (Cestoda) in Peruvian sea fish.