The alvear pathway of the rat hippocampus

@article{Deller1996TheAP,
  title={The alvear pathway of the rat hippocampus},
  author={Thomas Deller and Giselind Adelmann and Robert Nitsch and Michael Frotscher},
  journal={Cell and Tissue Research},
  year={1996},
  volume={286},
  pages={293-303}
}
Abstract. [] Key Result These fibers make sharp right-angle turns in the alveus, perforate the pyramidal cell layer, and finally terminate in the stratum lacunosum-moleculare. The crossed temporo-ammonic fibers reach their termination area in the stratum lacunosum-moleculare of CA1 almost exclusively via the alveus. These data indicate that the alveus is a major route by which entorhinal fibers reach their targets in CA1.
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TLDR
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References

SHOWING 1-10 OF 40 REFERENCES
Preservation of topography in the connections between the subiculum, field CA1, and the entorhinal cortex in rats
TLDR
The CA1 projection, rather than the subicular projection, is the main projection that feeds back information from the hippocampus to the entorhinal cortex, and the framework of the major hippocampal circuit proposed in previous studies should be reconsidered.
Entorhinal cortex of the monkey: V. Projections to the dentate gyrus, hippocampus, and subicular complex
TLDR
Anterograde tracing experiments demonstrated that all regions of the entorhinal cortex project to the outer two‐thirds of the molecular layer of the dentate gyrus and to much of the radial extent of the stratum lacunosum‐moleculare of CA3 and CA2.
An autoradiographic study of the efferent connections of the entorhinal cortex in the rat.
  • J. M. Wyss
  • Biology
    The Journal of comparative neurology
  • 1981
The longer connections of the entorhinal cortex have been studied autoradiographically in a series of rats, each of which received a small injection of 3H-amino acids in one of the various…
Projection of the entorhinal layer II neurons in the rat as revealed by intracellular pressure‐injection of neurobiotin
TLDR
This study shows that the entorhinohippocampal circuit is not a simple circle from single cells level, as well as investigating a component of the perforant path, projection of theEntorhinal layer II neurons.
An autoradiographic study of the organization of intrahippocampal association pathways in the rat
The longer associational connections of the hippocampal formation have been studied autoradiographically in a series of adult rats after small injections of 3H‐amino acids into each of its various…
Heterogeneity of the commissural projection to the rat dentate gyrus: a Phaseolus vulgaris leucoagglutinin tracing study
Topographic organization of the projections from the entorhinal area to the hippocampal formation of the rat
  • O. Steward
  • Biology
    The Journal of comparative neurology
  • 1976
The present study re‐examines, with autoradiographic methods, the pattern of termination of fibers originating from various medio‐lateral divisions of the entorhinal cortex on dentate granule cells…
Entorhinal inputs to hippocampal CA1 and dentate gyrus in the rat: a current-source-density study.
TLDR
Laminar profiles of the average evoked potentials and current-source-density analysis were used to study the input provided by the medial perforant path to the hippocampus in the urethan-anesthetized rat, finding that contribution of interneurons to the above source-sink profile is possible.
Cells of origin of entorhinal cortical afferents to the hippocampus and fascia dentata of the rat
The pathway from the entorhinal cortical region to the hippocampal formation has previously been shown to be comprised of two sub‐systems, one of which projects predominantly to the ipsilateral…
Crossed pathways from the entorhinal area to the fascia dentata. II. Provokable in rats
TLDR
Two induced crossed projections were demonstrated to the subcallosal continuation of fascia dentata, the fasciola cinerea and the crossed medial perforant path, corresponding to their similarity in origin, dendritic localization of termination and Timm stainability to the ordinary, uncrossed medial and lateral perforants which arise in the medial and the lateral parts of the entorhinal cortex, respectively.
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