PMID: 3760547Jan 1, 1986Paper

Neuronal types of the cerebral cortex of the adult chicken (Gallus gallus). A Golgi study

Journal für Hirnforschung
R MollàJ M García-Verdugo

Abstract

The telencephalic cortex of adult chicken (Gallus gallus) consists of two anatomical regions: the medial cortex (or hippocampal cortex) and the dorsal cortex (or parahippocampal cortex) which we have denominated "dorsomedial cortex" (DMC) as a whole. The dorsomedial cortex shows, with Nissl's technique, two main layers of lamination, besides the ependymal layer: plexiform layer and granular layer. In the plexiform layer, there is a sub-layer called periventricular. In Golgi impregnations, the plexiform layer of the DMC is filled with neurons of horizontal type and fibers. The granular layer of the medial region is mainly occupied with pyramidal and bipyramidal neurons, as well as some short-axon and long-axon multipolar neurons. In the granular layer of the dorsal region basically long-axon multipolar neurons are found and, to a lesser extend, short-axon multipolar ones are also seen. In the periventricular sub-layer of all the DMC are located the periventricular neurons. In general, we can say that the chicken DMC is a poorly developed cortical structure.

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