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Organisation of the cerebellar nucleus of the dogfish,Scyliorhinus canicula L.: A light microscopic, immunocytochemical, and ultrastructural study by Alvarez-Otero, Rosa; Perez, Silvia E.; Rodriguez, Miguel A.; Anadn, Ramn is a Neuroscience article available to read on EtoBox.

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Elasmobranchs possess a well-developed cerebellum with an associated cerebellar nucleus. To determine whether the organization of this nucleus is comparable with that of the deep cerebellar nuclei of mammals, we studied the dogfish cerebellar nucleus with light microscopic methods (Nissl stain, Golgi method, reduced silver stain, NADPH-diaphorase histochemistry and immunocytochemistry) and with electron microscopy. We found the dogfish cerebellar nucleus to consist of about 1,050 large neurons, the ratio of Purkinje cells to cerebellar nucleus neurons being about 17: 1. Immunocytochemistry showed large glutamatergic neurons in the main portions of the nucleus and small glutamate-and/or a-aminobutyric acid (GABA)immunoreactive cells in the subventricular region of the nucleus. Large glutamatergic neurons corresponded to bipolar or triangular cells revealed by Golgi methods. Application of horseradish peroxidase to the cerebellar cortex produced the labelling of beaded fibres of Purkinje cells in the cerebellar nucleus. Unlike in mammals, GAl3Aergic innervation of the cerebellar nucleus was scarce: Purkinje cell axon terminals in the cerebellar nucleus did not appear to be GABA-immun

Who reads Organisation of the cerebellar nucleus of the dogfish,Scyliorhinus canicula L.: A light microscopic, immunocytochemical, and ultrastructural study?

Author

Alvarez-Otero, Rosa; Perez, Silvia E.; Rodriguez, Miguel A.; Anadn, Ramn

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley; Research Square (ISSN 0021-9967)

Published

1996

Language

EN

Field

Neuroscience (Life Sciences)