Nov 1, 1993

Chandelier cells in the hippocampal formation of the rat: the entorhinal area and subicular complex

The Journal of Comparative Neurology
E SorianoM Frotscher

Abstract

In the present study we describe the characteristics of the chandelier cells in the rat entorhinal cortex and subicular complex by using the Golgi method and combined Golgi-electron microscopic techniques. In the entorhinal cortex, chandelier cells were frequently stained in layers II/III. Two types of axonal complexes were noted. One had a preferential horizontal orientation and gave rise to terminals located in the upper portion of layers II/III. The second type of chandelier cell axon was observed in the medial entorhinal area, innervating the entire extent of layers II/III. In the subicular complex, chandelier cells were frequently stained in the parasubiculum, whereas only a few cells were found in the presubiculum. In both subfields, chandelier cell axons were restricted to layers II/III. In the subiculum, most chandelier cells were present in the stratum radiatum, giving rise to a descending axon that branched in the stratum pyramidale. Both the size and morphological features of the chandelier cell terminal portions were found to be region-specific. Electron microscopically, the cell body and dendrites of gold-toned chandelier cells displayed typical features of nonpyramidal cells, such as the presence of nuclear infold...Continue Reading

Mentioned in this Paper

Presynaptic Terminals
Golgi Apparatus
Golgi Method
Complex (molecular entity)
Stratum Radiatum
Entire Entorhinal Cortex
Axon
Synapses
Structure of Hippocampal Formation
Subicular Complex

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