PMID: 3746348Jun 1, 1986Paper

Cholinergic neurons and fibres in the rat visual cortex

Journal of Neurocytology
J G ParnavelasF P Eckenstein

Abstract

Choline acetyltransferase (ChAT), the acetylcholine synthesizing enzyme, was localized immunocytochemically in neurons and fibres in the rat visual cortex using a monoclonal antibody. ChAT-labelled cells were non-pyramidal neurons, primarily of the bipolar form, distributed in layers II through VI but concentrated in layers II & III. Their perikarya contained a large nucleus and a small amount of perinuclear cytoplasm. The somata and dendrites of all labelled cells received Gray's type I and type II synapses. ChAT-stained axons formed a dense and diffuse network throughout the visual cortex and particularly in layer V. Electron microscopy revealed that the great majority formed type II synaptic contacts with dendrites of various sizes, unlabelled non-pyramidal somata and, on a few occasions, with ChAT-labelled cells. However, a very small number of terminals appeared to form type I synaptic contacts. This study describes the morphological organization of the cholinergic system in the visual cortex, the function of which has been under extensive investigation.

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Citations

Jan 1, 1989·Neir̆ofiziologiia = Neurophysiology·L F Burchinskaia
Jan 1, 1991·Anatomy and Embryology·B GarrettL Slomianka
Jan 1, 1989·Neurochemistry International·C Walch, R Schliebs
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May 25, 2004·The Journal of Comparative Neurology·Diego ClementeRosario Arévalo
Aug 12, 2014·Journal of Neuroscience Methods·Floris G WouterloodKarl Deisseroth
Dec 29, 2017·The Neuroscientist : a Review Journal Bringing Neurobiology, Neurology and Psychiatry·Melissa S Haley, Arianna Maffei
Dec 5, 2018·Acta Histochemica Et Cytochemica·Gil-Hyun KimChang-Jin Jeon

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