期刊
BRAIN RESEARCH
卷 905, 期 1-2, 页码 224-231出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/S0006-8993(01)02419-2
关键词
projection neurons; entorhinal cortex; rhodamine-dextran-amine; patch-clamp; in vitro; rats
Retrogradely labeled cells in superficial and deep layers of the entorhinal cortex (EC) were analyzed following application of the fluorescent tracer rhodamine-dextran-amine in different sites of the hippocampal Formation in a slice preparation. The results demonstrate a strong projection from layer IV/V to the dentate gyrus, that is in slices significantly stronger than that from layer II. In deep layers a large number of multipolar cells were found which were only labeled by dye application to the subiculum. Patch-clamp recordings from these cells revealed intrinsic low threshold membrane potential oscillations: suggesting their possible contribution to oscillatory network activity of the EC and subiculum. (C) 2001 Published by Elsevier Science B.V.
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