PMID: 6168333Sep 7, 1981Paper

Afferent and efferent connections of the optic tectum in the carp (Cyprinus carpio L.)

Brain Research
P G Luiten

Abstract

The afferent and efferent connections of the tectum opticum in the carp (Cyprinus carpio L.) were studied with the HRP method. Following iontophoretic peroxidase injections in several parts of the tectum anterograde transport of the enzyme revealed tectal projections to the lateral geniculate nucleus, dorsal tegmentum, pretectal nuclei, nucleus rotundus, torus longitudinalis, torus semicircularis, nucleus isthmi, contralateral tectum and to the mesencephalic and bulbar reticular formations. Tectal afferents were demonstrated by retrograde HRP transport in the area dorsalis pars centralis of the telencephalon, torus longitudinalis, torus semicircularis, nucleus isthmi, nucleus profundus mesencephali, several pretectal nuclei, dorsomedial and dorsolateral thalamic nuclei, nucleus of the posterior commissure, mesencephalic and bulbar reticular nuclei and nucleus ruber. Visuo-cerebellar circuitry was investigated by means of peroxidase injections in the various parts of the cerebellum. These experiments revealed indirect retino- and tecto-cerebellar pathways via the pretectal nuclei and the nucleus isthmi.

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Citations

Jul 22, 1999·The Journal of Comparative Neurology·L HerreroB Torres
Dec 1, 1990·Cell and Tissue Research·S D SchlussmanS C Sharma
Mar 26, 1984·Brain Research·R G Northcutt, M R Braford
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Aug 19, 2006·Comparative Biochemistry and Physiology. Toxicology & Pharmacology : CBP·Sonali RoyShelley Bhattacharya
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Nov 9, 2018·The Journal of Comparative Neurology·Tomoya NakayamaNaoyuki Yamamoto

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