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. 2016 Apr 20;10:43. doi: 10.3389/fnana.2016.00043

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Copyright © 2016 de Castro.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution and reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Sympathetic neurons by Fernando de Castro. (A) de Castro’s hand-made schematic illustration of sympathetic neurons stained with the Cajal’s method, showing short long (a –the axón arises from this dendrite at a distance from the soma, c), short dendrites (b). This image was published in de Castro (1933). (B) Partial view of a sympathetic ganglion (normal condition) of an adult cow (de Castro, 1937). (C) Portion of a sympathetic ganglion with regenerated preganglionic fibers (a) after a vagus-sympathetic crossed anastomosis (de Castro, 1937; A) is part of Archive Fernando de Castro.