Guillermo Jaim Etcheverry

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The nerves of rat pineal gland are known to contain norepinephrine and 5-hydroxytryptamine. With the glutaraldehyde-dichromate reaction for the cytochemical localization of unsubstituted catechol- and indoleamines, dense reactive granules could be demonstrated in such endings. A similar reaction was observed in the adrenergic nerves supplying the vas(More)
The electron microscope study of the retina of rats revealed the presence of granulated vesicles in synapses and neurons. Of the three different types of nerve endings observed in the inner plexiform layer, two were found to contain granulated vesicles. Type 1 nerve ending, belonging to bipolar cells, is devoid of granulated vesicles and together with type(More)