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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.


n, pl -iae (-ɪˌiː)
(Zoology) one of the larval forms of trematode worms. It has a short forked tail and resembles an immature adult
[C19: New Latin, literally: tailed creature, from Greek kerkos tail]
cerˈcarial adj
cerˈcarian adj, n


(sərˈkɛər i ə)

n., pl. -car•i•ae (-ˈkɛər iˌi)
the free-swimming, tailed larva of parasitic trematodes.
[1830–40; < New Latin < Greek kérkos tail]
cer•car′i•al, adj.
cer•car′i•an, adj., n.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.cercaria - tadpole-shaped parasitic larva of a trematode wormcercaria - tadpole-shaped parasitic larva of a trematode worm; tail disappears in adult stage
class Trematoda, Trematoda - parasitic flatworms (including flukes)
larva - the immature free-living form of most invertebrates and amphibians and fish which at hatching from the egg is fundamentally unlike its parent and must metamorphose
References in periodicals archive ?
The marine dermatitis-producing cercaria of Austrobilharzia variglandis in California (Trematoda: Schistosomatidae).
Studies on trematodes of Woods Hole: the life cycle of Lepocreadium setiferoides (Miller and Northup), Allocreadiidae, and the description of Cercaria cumingiae N.
The first phase is host penetration by cercaria dermatitis.
lageniformis) (Nicoll, 1909) Bray, 1987; (3) Cercaria buccini (Lebour, 1911); and (4) an unidentified species of Renicola, Cohn, 1904.
philippinarum, the gonad was completely occupied by sporocysts and cercaria of Cercaria tapidis instead of eggs (Lee et al.
Sobre una cercaria de la familia Schistosomatidae (Digenea) parasita de Chilina gibbosa Sowerby, 1841 en el Lago Pellegrini, Provincia de Rio Negro, Republica Argentina.
When the slime balls are secreted onto the snails' feet, so are the cercaria.
Studies on the life history of Spelotrema nicolli (Trematoda: Microphallidae) with a description of a new microphallid cercaria.
subtenuis (Linton, 1907) Hanson, 1950], and description of Cercaria adranocerca n.
Certain clams were included as "parasitized," because they appeared to spawn abnormally because of a serious cercaria infection of a digenetic trematode.
The finding of two ciliate species, the gymnophallid cercaria and metacercaria, and the larval nematode represents the first record for the host.
The cercaria of Lacunovermis macomae (Lebour, 1908) (Trematoda: Gymnophallidae), and its penetration into the bivalve Macoma balthica (L.