The ontogenesis of cortical circuitry is the subject of the investigation reported in this paper1. Strategic elements of cortical circuitry are synaptic contacts: sites of neuronal interaction. If we first determine the location of early formed synapses, we may then seek the pre- and postsynaptic elements, that is, the structures which meet and interact at each synaptic junction.


Pyramid Purpura Brodal 


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Copyright information

© Springer-Verlag Berlin · Heidelberg 1970

Authors and Affiliations

  • Mark E. Molliver
    • 1
  • Hendrik Van der Loos
    • 1
  1. 1.Department of Anatomy, School of MedicineThe Johns Hopkins UniversityBaltimoreUSA

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