Distribution Pattern of Serotoninergic Neurons in Trematode Cercariae


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Abstract

The review summarizes data on the number, size and localization of serotoninergic neurons in cercariae of 16 trematode species, referring to 11 families. Presented diagrams show distribution patterns of serotoninergic neurons in cercariae of trematodes from different taxonomic, biological and morphological groups. Data analysis indicates that the number, disposition and size of these neurons vary in cercariae of different species. The data are discussed in relation with a functional significance of serotonin as a neurotransmitter in free-living larvae—trematode cercariae.

About the authors

N. B. Terenina

A.N. Severtsov Institute of Ecology and Evolution

Author for correspondence.
Email: terenina_n@mail.ru
Russian Federation, Moscow

S. O. Movsesyan

A.N. Severtsov Institute of Ecology and Evolution

Email: terenina_n@mail.ru
Russian Federation, Moscow

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