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CELLS OF ORIGIN OF FIBERS OF CORPUS CALLOSUM: EXPERIMENTAL AND PATHOLOGIC OBSERVATIONS

CELLS OF ORIGIN OF FIBERS OF CORPUS CALLOSUM: EXPERIMENTAL AND PATHOLOGIC OBSERVATIONS Abstract There is available no exact information in regard to the origin of the commissural fibers of the corpus callosum (Cajal,1 von Kölliker,2 Dotto and Pusateri,3 Lévi-Valensi,4 de Vries,5 Van Valkenburg,6 de Villaverde7 and Lorente de Nó8). In this investigation we have used the method of retrograde cell degeneration, which until now has rarely been employed for the study of this problem. The material consisted of the brains of dogs in which the corpus callosum had been divided or areas of the cerebral cortex extirpated, and of human brains with focal lesions of the cortex. EXPERIMENTAL OBSERVATIONS Methods. —Operations were performed with sterile precautions on dogs under morphine anesthesia. At a distance of 0.5 cm. from the midline an opening, 1 cm. in diameter, was made with a trephine. This was enlarged with forceps parallel to the midline. The breadth of the opening References 1. Ramón y Cajal, S.: Sur la structure de l'écorce cérébrale de quelques mammifères , Cellule 7:34, 1891 2. Histologie du système nerveux de l'homme et des vertébrés , translated by L. Azoulay, Paris, A. Maloine, 1909. 3. von Kölliker, A.: Handbuch der Gewebelehre des Menschen , ed. 6, Leipzig, Wilhelm Engelmann, 1896, vol. 2, p. 664. 4. Dotto and Pusateri: Sul decorso delle fibres del corpo calloso e del psalterium , Riv. di pat. nerv. 2:64, 1897. 5. Lévi-Valensi: Le corps calleux, Thesis, Paris, 1910. 6. de Vries, J.: Ueber die Cyto-Architektonik der Grosshirnrinde der Maus und über die Beziehungen der einzelnen Zellschichten zum Corpus callosum auf Grund von experimentellen Läsion , Folia neurobiol. 6:289, 1912. 7. Van Valkenburg, C. T.: Experimental and Pathologico-Anatomical Researches on the Corpus Callosum , Brain 36:119, 1913.Crossref 8. de Villaverde, J. M.: Estudios anatómico-experimentales sobre el curso y terminación de las fibras callosas , Trab. d. lab. de invest. biol. Univ. de Madrid 19:37, 1921 9. Sobre el origen de las fibras callosas en el Area Gigantopyramidalis del conejo , de Villaverde Trab. d. lab. de invest. biol. Univ. de Madrid 19:195, 1921 10. Ueber die Endigungsweise der Balkenfasern in der motorischen Rinde bei der Fledermaus , Zentralbl. f. d. ges. Neurol. u. Psychiat. 65:162, 1932. 11. Lorente de Nó, R.: La corteza cerebral del ratón , Trab. d. lab. de invest. biol. Univ. de Madrid 20:41, 1923. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Archives of Neurology & Psychiatry American Medical Association

CELLS OF ORIGIN OF FIBERS OF CORPUS CALLOSUM: EXPERIMENTAL AND PATHOLOGIC OBSERVATIONS

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Publisher
American Medical Association
Copyright
Copyright © 1939 American Medical Association. All Rights Reserved.
ISSN
0096-6754
DOI
10.1001/archneurpsyc.1939.02270240114008
Publisher site
See Article on Publisher Site

Abstract

Abstract There is available no exact information in regard to the origin of the commissural fibers of the corpus callosum (Cajal,1 von Kölliker,2 Dotto and Pusateri,3 Lévi-Valensi,4 de Vries,5 Van Valkenburg,6 de Villaverde7 and Lorente de Nó8). In this investigation we have used the method of retrograde cell degeneration, which until now has rarely been employed for the study of this problem. The material consisted of the brains of dogs in which the corpus callosum had been divided or areas of the cerebral cortex extirpated, and of human brains with focal lesions of the cortex. EXPERIMENTAL OBSERVATIONS Methods. —Operations were performed with sterile precautions on dogs under morphine anesthesia. At a distance of 0.5 cm. from the midline an opening, 1 cm. in diameter, was made with a trephine. This was enlarged with forceps parallel to the midline. The breadth of the opening References 1. Ramón y Cajal, S.: Sur la structure de l'écorce cérébrale de quelques mammifères , Cellule 7:34, 1891 2. Histologie du système nerveux de l'homme et des vertébrés , translated by L. Azoulay, Paris, A. Maloine, 1909. 3. von Kölliker, A.: Handbuch der Gewebelehre des Menschen , ed. 6, Leipzig, Wilhelm Engelmann, 1896, vol. 2, p. 664. 4. Dotto and Pusateri: Sul decorso delle fibres del corpo calloso e del psalterium , Riv. di pat. nerv. 2:64, 1897. 5. Lévi-Valensi: Le corps calleux, Thesis, Paris, 1910. 6. de Vries, J.: Ueber die Cyto-Architektonik der Grosshirnrinde der Maus und über die Beziehungen der einzelnen Zellschichten zum Corpus callosum auf Grund von experimentellen Läsion , Folia neurobiol. 6:289, 1912. 7. Van Valkenburg, C. T.: Experimental and Pathologico-Anatomical Researches on the Corpus Callosum , Brain 36:119, 1913.Crossref 8. de Villaverde, J. M.: Estudios anatómico-experimentales sobre el curso y terminación de las fibras callosas , Trab. d. lab. de invest. biol. Univ. de Madrid 19:37, 1921 9. Sobre el origen de las fibras callosas en el Area Gigantopyramidalis del conejo , de Villaverde Trab. d. lab. de invest. biol. Univ. de Madrid 19:195, 1921 10. Ueber die Endigungsweise der Balkenfasern in der motorischen Rinde bei der Fledermaus , Zentralbl. f. d. ges. Neurol. u. Psychiat. 65:162, 1932. 11. Lorente de Nó, R.: La corteza cerebral del ratón , Trab. d. lab. de invest. biol. Univ. de Madrid 20:41, 1923.

Journal

Archives of Neurology & PsychiatryAmerican Medical Association

Published: Dec 1, 1939

References