From the beginning of our century on, several authors reported upon intraependymal cells in the brain an spinal cord that form intraventricular protrusions detectable by silver impregnations (Tretjakoff, 1909, 1913; Franz, 1912; Kolmer, 1921; Agduhr, 1922). Later, these investigations became scarce. They remained unnoticed and unconfirmed up to the era when the use of electron microscopy gave new stimuli for ultrastructural as well as conventional light microscopic research in the ventricular wall.


Neuron Group Acetylthiocholine Iodide Nucleus Lateralis Tuberis Dendrite Ending Dendrite Terminal 
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Copyright information

© Springer-Verlag Berlin-Heidelberg 1974

Authors and Affiliations

  1. 1.2nd Department of Anatomy, Histology and EmbryologySemmelweis University Medical School, BudapestBudapestHungary

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