caa a22 4500 477095550 CHVBK 20180405111526.0 cr unu---uuuuu 170330e19960501xx s 000 0 eng 10.1007/BF00185879 doi (NATIONALLICENCE)springer-10.1007/BF00185879 Organization of identified fiber tracts in the rat fimbria-fornix: an anterograde tracing and electron microscopic study [Elektronische Daten] [G. Adelmann, T. Deller, M. Frotscher] The fimbria is a major route for afferent and efferent fibers of the hippocampal formation. However, little is known about the intrinsic organization of the fimbria-fornix complex. In this study, the anterograde tracer Phaseolus vulgaris-leucoagglutinin (PHAL) was used to analyze the ultrastructure and topography of identified fiber tracts within the fimbria-fornix. Septo-hippocampal fibers are loosely distributed throughout the fimbria-fornix. Commissural fibers cross the midline in the ventral hippocampal commissure and form a tight fiber bundle in the fimbria. Crossed entorhino-hippocampal fibers cross the midline in the ventral hippocampal commissure rostral to the commissural fiber bundle, and crossed entorhino-entorhinal fibers pass through the dorsal hippocampal commissure. This suggests a topographical organization of fiber tracts within the fimbria-fornix that reflects the laminar organization of the hippocampal target structure: fibers of the diffusely terminating septohippocampal projection are loosely distributed throughout the fimbria-fornix, while those projections that are known to terminate in specific laminae of the hippocampal formation (commissural projection, crossed entorhino-hippocampal projection) form fiber bundles within the fimbria and the ventral hippocampal commissure. Springer-Verlag, 1996 Phaseolus vulgaris -leucoagglutinin nationallicence Hippocampus nationallicence Septum nationallicence Entorhinal cortex nationallicence Limbic system nationallicence Fimbria nationallicence A : Astrocyte nationallicence CA1, CA3 : hippocampal subfields nationallicence CC : corpus callosum nationallicence D : dendrite nationallicence DG : dentate gyrus nationallicence DHC : dorsal hippocampal commissure nationallicence Fi : fimbria nationallicence LS : lateral septal area nationallicence LV : lateral ventricle nationallicence O : oligodendrocyte nationallicence SFO : subfornical organ nationallicence VHC : ventral hippocampal commissure nationallicence Adelmann G. Institute of Anatomy, University of Freiburg, P.O. Box 111, D-79001, Freiburg, Germany aut Deller T. Institute of Anatomy, University of Freiburg, P.O. Box 111, D-79001, Freiburg, Germany aut Frotscher M. Institute of Anatomy, University of Freiburg, P.O. Box 111, D-79001, Freiburg, Germany aut Anatomy and Embryology Springer-Verlag 193/5(1996-05-01), 481-493 0340-2061 193:5<481 1996 193 429 https://doi.org/10.1007/BF00185879 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/BF00185879 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Adelmann G. Institute of Anatomy, University of Freiburg, P.O. Box 111, D-79001, Freiburg, Germany aut NATIONALLICENCE 700 1- Deller T. Institute of Anatomy, University of Freiburg, P.O. Box 111, D-79001, Freiburg, Germany aut NATIONALLICENCE 700 1- Frotscher M. Institute of Anatomy, University of Freiburg, P.O. Box 111, D-79001, Freiburg, Germany aut NATIONALLICENCE 773 0- Anatomy and Embryology Springer-Verlag 193/5(1996-05-01), 481-493 0340-2061 193:5<481 1996 193 429 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer