one of the larval forms of trematode worms. It has a short forked tail and resembles an immature adult
Derived forms
cercarial (cerˈcarial)
adjective
cercarian (cerˈcarian)
adjective, noun
Word origin
C19: New Latin, literally: tailed creature, from Greek kerkos tail
Examples of 'cercariae' in a sentence
cercariae
Larvae in the cercariae stage were shown to be more sensitive to desiccation.
FP Ohlweiler, T Kawano 2001, 'Effects of the desiccation on Biomphalaria tenagophila (Orbigny, 1835) (Mollusca)infected by Schistosoma mansoni Sambon, 1907', Memórias do Instituto Oswaldo Cruz.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02762001000500029. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Most cercariae reach the schistosomular stage between 90-120 min after intraperitoneal inoculation.
A. L. Melo, L. H. Pereira 1985, 'Kinetics of the cercaria-schistosomulum transformation in vivo', Revista da Sociedade Brasileira de Medicina Tropicalhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86821985000100005. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Schistosoma mansoni cercariae were recovered and comprised the total of 13.11%.
Josué de Moraes, Marcos Paulo Nascimento da Silva, Fernanda Pires Ohlweiler, ToshieKawano 2009, 'Schistosoma mansoni and other larval trematodes in Biomphalaria tenagophila (Planorbidae)from Guarulhos, São Paulo State, Brazil Infecção por Schistosoma mansoni e outrostrematódeos em Biomphalaria tenagophila (Planorbidae) de Guarulhos, São Paulo, Brasil',Revista do Instituto de Medicina Tropical de São Paulohttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46652009000200004. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This group was ever present in the population of cercariae in less percentage (29.8%).
Luz A. Pino, Liboria Matinella, Gustavo Morales 1999, 'Polimorfismo de tallas en las cercarias de una cepa venezolana de Schistosoma mansoniPolymorphism of size in the cercariae of one venezuelan strain of Schistosoma mansoni',Revista da Sociedade Brasileira de Medicina Tropicalhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0037-86821999000400016. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
This may explain the enhanced immunogenicity of irradiated cercariae.
J. R. Kusel, A. Wales, L. Vieira, K-Y Wu 1989, 'Effects of irradiation and tunicamycin on the surface glycoproteins Schistosoma mansoni',Memórias do Instituto Oswaldo Cruz.http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0074-02761989000500020. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
After that, the positive snails were observed until they ceased to shed cercariae.
Ana Cristina Figueiredo, Luiz Candido de Souza Dias, Eliana Heiser de Freitas Marques 1992, 'Biological and morphological characteristics of Schistosoma mansoni from Ribeira Valley,State of São Paulo, Brazil: I - susceptibility of Biomphalaria tenagophila snail tosympatric S. mansoni strain Características biológicas e morfológicas de cepa paulistade Schistosoma mansoni do Vale do Ribeira: I - suscetibilidade de Biomphalaria tenagophilado Vale do Ribeira, SP, a cepa simpátrica de Schistosoma mansoni', Revista do Instituto de Medicina Tropical de São Paulohttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46651992000300003. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
These started to produce cercariae four weeks after infestation.
M. T. Seck, B. Marchand, C. T. Ba, O. T. Diaw 2006, 'Bulinus forskalii (Basommatophore: Planorbidae), New Experimental IntermediateHost of Trematoda Paramphistomum microbothrium Fischoeder 1901', Revue d'Elevage et de Médecine Vétérinaire des Pays Tropicauxhttp://revues.cirad.fr/index.php/REMVT/article/view/9949. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The biotin concentration was 13 µg/190,000 cercariae.
Santos P.R.P., Chaves M.E.C. 1997, 'Ultrastructural and biochemical detection of biotin and biotinylated polypeptidesin Schistosoma mansoni', Brazilian Journal of Medical and Biological Researchhttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X1997000700003. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)