cercaria


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cercaria

 [ser-kar´e-ah] (pl. cerca´riae) (L.)
the final, free-swimming larval stage of a trematode parasite.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

cer·car·i·a

, pl.

cer·car·i·ae

(ser-kā'rē-ă, -rē-ē),
The free-swimming trematode larva that emerges from its host snail; it may penetrate the skin of a final host (as in Schistosoma of humans), encyst on vegetation (as in Fasciola), in or on fish (as in Clonorchis), or penetrate and encyst in various arthropod hosts. Body and tail are greatly varied in form, and specialized function is adapted to the particular life cycle demands of each species.
See also: sporocyst (1), redia.
[G. kerkos, tail]
Farlex Partner Medical Dictionary © Farlex 2012

cercaria

(sər-kâr′ē-ə)
n. pl. cercar·iae (-ē-ē′) or cercar·ias
A larva of a trematode, which develops from a sporocyst or a redia.

cer·car′i·al adj.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

cer·car·i·a

, pl. cercariae (sĕr-kar'ē-ă, -ē)
The free-swimming trematode larva that emerges from its host snail; it may penetrate the skin of a final host, encyst on vegetation, or in or on fish, or penetrate and encyst in various arthropod hosts. Body and tail are greatly varied in form, and specialized functions are adapted to the particular life-cycle demands of each species.
See also: sporocyst (1)
[G. kerkos, tail]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

cercaria

The tailed, swimming larva of a trematode worm, such as a SCHISTOSOME.
Collins Dictionary of Medicine © Robert M. Youngson 2004, 2005

cercaria

the last larval stage of the liver FLUKE. It lives in the freshwater snail Limnaea, produces a cyst round itself and develops into the adult fluke after ingestion by a sheep or another primary host.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Cercaria (plural, cercariae)

An intermediate-stage of the fluke larva, released into water by infected snails.
Mentioned in: Fluke Infections
Gale Encyclopedia of Medicine. Copyright 2008 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Light intensity was measured against each filter and then output of light was adjusted to get the equal irradiance of 300 W [m.sup.-2] at each band to study the toxicity of pheophorbide a against cercaria larvae.
Pattern of emergence and the effects of temperature and light on the emergence and survival of heterophyid cercaria (Centrocestus formosanus and Haplorchis pumilio).
(synonym Cercaria cursitans, Holliman, 1961) and Probolocoryphe lanceolata (synonym Cercaria lanceolata, Holliman, 1961; Probolocoryphe glandulosa.
virginana Intestine Byrd et al., 1942 Caecincola Micropterus Intestine Venard, 1940 parvulus salmoides Cathaemasia Ceryle alcyon Intestine Harwood, reticulata 1936 Cercaria corti Helisoma Digestive Gland Byrd & trivolvis Reiber, 1940 C.
In the current study, the protein parasite repertoire was studied using a proteomic approach of two different parasite stages, the cercaria and adult worms from a Venezuelan isolate (JL).
This may be due to the fact that singles are more likely to visit streams where they may come into contact with cercaria of schistosome.