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Catecholamine-, Indoleamine-, and GABA-containing cells in the chameleon retina

Published online by Cambridge University Press:  02 June 2009

Mohamed Bennis
Affiliation:
Laboratoire de Neurosciences, Faculté des Sciences Semlalia, Université Cadi Ayyad, Marrakech, Morocco
Claudine Versaux-Botteri
Affiliation:
Laboratoire d'Anatomie Comparée, Jeune équipe DRED, No. 336, M.N.H.N. 55, rue Buffon 75005, Paris, FranceLaboratoire de Neurocytologie Oculaire, INSERM U 86, 15, rue de l'Ecole de Médecine 75006, Paris, France

Abstract

Neurons containing catecholamine, indoleamine, and gamma-aminobutyric acid (GABA) were identified by immunohistochemistry in the chameleon retina. Tyrosine hydroxylase (TH) and serotonin (5HT) were observed mostly in two subtypes of orthotopic amacrine cells differing in their soma size and process distribution within the IPL. Some labelled cells were displaced either to the IPL (5HT) or to the GCL (TH and 5HT). A multiplicity of retinal cell types contained GABA including cones, horizontal, amacrine, and ganglion cells. Our results confirmed those obtained in the retinas of other lizards except for the presence of interstitial and displaced amacrine cells containing TH or 5HT of which this is the first report.

Information

Type
Research Articles
Copyright
Copyright © Cambridge University Press 1995

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