E L Echandía

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The ultrastructural effects of vinblastine on the arcuate neurons and median eminence were studied in the rat. The animals were stereotaxically injected with solutions of 1 mM and 5 mM vinblastine into the median eminence and killed 3, 8 and 21 days after injection. Eight days after injection of 1 mM vinblastine the neurons of the arcuate nucleus showed(More)
Typical septate junctions between digestive vacuoles in phagocytic cells of human malacoplakia are described in this paper. Evidence for a honeycomb pattern of hexagonal subunits is presented for their cleft material. Junctions were not observed between other organelles or in cells other than phagocytes. It is assumed that the septate junctions described(More)
Male rats arbitrarily selected for high and low motor activity (HA and LA-rats) were submitted to the chronic ingestion (30 days) of desipramine (DSP) in doses of about 1.5, 3 and 6 mg/kg/24 hr. Their motor activity was assessed in an animal activity monitor providing a measure of total horizontal movements and vertical movements and in a hole-board(More)
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