Definition of Cercaria

1. Noun. Tadpole-shaped parasitic larva of a trematode worm; tail disappears in adult stage.

Group relationships: Class Trematoda, Trematoda
Generic synonyms: Larva
Derivative terms: Cercarial



Definition of Cercaria

1. n. The larval form of a trematode worm having the shape of a tadpole, with its body terminated by a tail-like appendage.

Definition of Cercaria

1. Noun. the parasitic larva of trematodes; its tail disappears when adult ¹

¹ Source: wiktionary.com

Definition of Cercaria

1. a parasitic worm [n -IAE or -IAS]

Medical Definition of Cercaria

1. The free-swimming trematode larva that emerges from its host snail; it may penetrate the skin of a final host (as in Schistosoma of man), 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 specialised function is adapted to the particular life cycle demands of each species. See: sporocyst, redia. Origin: G. Kerkos, tail (05 Mar 2000)

Cercaria Pictures

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Lexicographical Neighbors of Cercaria

ceratopogonidae
ceratopsian
ceratopsians
ceratopsid
ceratopsids
ceratosaur
ceratosaurian
ceratosaurians
ceratosaurs
ceratosaurus
ceratozamia
ceraunics
cerauno-
ceraunoscopy
cercal
cercaria (current term)
cercariae
cercarial
cercarian
cercarians
cercarias
cerchiaraite
cerci
cercidosome
cercises
cerclage
cercocebus
cercocebus atys
cercocystis
cercomer

Literary usage of Cercaria

Below you will find example usage of this term as found in modern and/or classical literature:

1. Text-book of the Embryology of Invertebrates by Eugen Korschelt, Karl Heider, Edward Laurens Mark, William McMichael Woodworth, Matilda Bernard, Martin Fountain Woodward (1895)
"This applies chiefly to the caudal appendage, as can be recognized in the peculiarly formed cercaria represented in Figs. 90 and 91. ..."

2. Journal of the Royal Microscopical Society by Royal Microscopical Society, London (1882)
"Mr. JW Fewkes describes a cercaria, or larval Trematode, which differs ... The cercaria is marine, and always found at or near the surface of the water. ..."

3. On the Alternation of Generations; Or The Propagation and Development of by Johannes Japetus Sm. Steenstrup (1845)
"It has been shown by the development of cercaria echinata and C. armata, that both these species enter the snail from without, become pupa upon and within ..."

4. On Animal and Vegetable Parasites of the Human Body: A Manual of Their by Friedrich K├╝chenmeister (1857)
"The so-called cercaria offer the best exemplification of the alternation of ... These cercaria, which swim about with great activity by means of a ..."

5. Biological Bulletin by Marine Biological Laboratory (Woods Hole, Mass.) (1915)
"Sporocyst showing cercaria- in different stages of development. ... Actual length 1.04 millimeter. of these cercaria? is sub-cylindrical and slightly ..."

6. An Introduction to the Study of the Comparative Anatomy of Animals by Gilbert Charles Bourne (1902)
"The cercaria lives for some time in the encysted condition, until the plant to which it is attached is eaten by a sheep or other herbivorous animal. ..."

7. Journal of the Royal Agricultural Society of England by Royal Agricultural Society of England (1862)
"13) represents the pupa state of the cercaria ephemera. ... Encysted cercaria;, besides adhering in large numbers to a great variety of mollusca, ..."

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