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n. pl. cer·car·i·ae (-ē-ē′) or cer·car·i·as
A larva of a trematode, which develops from a sporocyst or a redia.

[New Latin cercāria : Greek kerkos, tail + -āria, feminine of Latin -ārius, -ary.]

cer·car′i·al adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.cercarial - of or relating to cercaria
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Hot summer temperatures have warmed up lakes and watering holes, making conditions ripe for swimmer's itch, medically known as cercarial dermatitis.
Experimental studies have revealed that interspecific hybridization might enhance infectivity, virulence, and longevity and accelerate cercarial maturation.
(2.) R Poulin, "Global Warming and Temperature-mediated Increases in Cercarial Emergence in Trematode Parasites," Parasitology, 132:1 (2006), 143, https://doi.
Avian schistosomes can cause cercarial dermatitis (swimmer's itch) in persons exposed to either freshwater or brackish water in which infected birds contaminate the water and where the intermediate host snails are found.
Caption: FIGURE 1: (a) Lanes 2 and 3 represent adult worm DNA, lane 4 represents miracidia DNA, lane 5 represents schistosome egg DNA, lanes 6 and 7 represent cercarial DNA, lane 8 represents a -ve control (containing a premix only), and lanes 1 and 9 represent the molecular marker.
Dool et al., "Schistosome infection is associated with enhanced whole-blood IL-10 secretion in response to cercarial excretory/secretory products," Parasite Immunology, vol.
2013); the cercarial emergence eventually plateaus at an optimum temperature threshold range before declining as temperatures reach high levels (Morley & Lewis 2013).
In summary, they concluded that seasonal recruitment patterns were consistent with cercarial shedding by snails, and that drops in metacercarial density and [S.sup.2]/x over winter were due to parasite induced host mortality of juvenile bluegill.
At resting position, cercarial body and tail stem remain aligned in a straight line and furcae spread at an angle of approximately 90[degrees] (Fig.
Schistosomes causing Cercarial dermatitis(swimmer's itch), Coccidia and Sarcocystis are transmit through cranes, owls, ducks, waterfowls, cowbirds, andmallards.Ornithosis, Salmonellosis, enteritis, bloody diarrhea, Lyme disease.