The origin of the otic and optic primordia in man

The origin of the otic and optic primordia in man THE ORIGIN O F THE OTIC AND OPTIC PRIMORDIA I N MAN G. W. BARTELMEZ Department of Anatomy, The University of Chicago, and the Laboratory of Embryology, Carnegie Institution of Washington TEN FIGURES INTRODUCTION The early history of the nervous system in man and in the great majority of other mammals is but imperfectly known. In the whole order there is only a, single detailed study of the origin of the cranial ganglia. The data on this phase of human development are for the most part included in descriptions of single specimens; they are few and incomplete and marred by faulty interpretations due to the lack of a human series and neglect of comparative material from other forms. We shall here confine our attention to the otic and optic primordia, although the identification of them in the various embryos of the series is based in part upon our interpretation of the primary subdivisions of the nervous system. This evidence will be presented in a subsequent paper. MATERIAL The present observations are based upon the study of complete serial sections of twelve normal embryos ranging between stages of three and sixteen somites. In addition, the data from the published http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Journal of Comparative Neurology Wiley

The origin of the otic and optic primordia in man

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Publisher
Wiley
Copyright
Copyright © 1922 The Wistar Institute of Anatomy and Biology
ISSN
0021-9967
eISSN
1096-9861
D.O.I.
10.1002/cne.900340203
Publisher site
See Article on Publisher Site

Abstract

THE ORIGIN O F THE OTIC AND OPTIC PRIMORDIA I N MAN G. W. BARTELMEZ Department of Anatomy, The University of Chicago, and the Laboratory of Embryology, Carnegie Institution of Washington TEN FIGURES INTRODUCTION The early history of the nervous system in man and in the great majority of other mammals is but imperfectly known. In the whole order there is only a, single detailed study of the origin of the cranial ganglia. The data on this phase of human development are for the most part included in descriptions of single specimens; they are few and incomplete and marred by faulty interpretations due to the lack of a human series and neglect of comparative material from other forms. We shall here confine our attention to the otic and optic primordia, although the identification of them in the various embryos of the series is based in part upon our interpretation of the primary subdivisions of the nervous system. This evidence will be presented in a subsequent paper. MATERIAL The present observations are based upon the study of complete serial sections of twelve normal embryos ranging between stages of three and sixteen somites. In addition, the data from the published

Journal

The Journal of Comparative NeurologyWiley

Published: Apr 1, 1922

References

  • Morphology of the roof plate of the forebrain and the lateral choroid plexuses in the human embryo
    Bailey, Bailey
  • The fate of the neural crest in the head of Urodeles
    Landacre, Landacre
  • Gastrulation in the pigeon's egg
    Patterson, Patterson
  • The development of the neuraxis in the domestic cat to the stage of twenty‐one somites
    Schulte, Schulte; Tilney, Tilney

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