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Insights into anchovy vision - retinal neuroanatomy of Engraulis encrasicolus.

Interact Munich 2009, abstract booklet: 77.

Authors/Editors: Koch PC
Heß M
Publication Date: 2009
Type of Publication: Congress Contributions and Posters
The outer retina of the European anchovy (Engraulis encrasicolus) shows an unusual ultrastructure providing specific sensitivity to polarized light. Exceptional features are cone chains (polycones) consisting of two alternating cone types (short and long cones), a radial alignment of lamellae containing visual pigment and a wedge shaped specular tapetum to enhance photon yield. The high regularity of the cone arrangement is expected to be continued down to the level of second and third order neurons, as these structures are synaptically tied to the photoreceptors. To gain more insight into anchovy vision our studies are addressed to the structure of the inner retina applying four main methods.

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