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Figure 4 | Journal of Neurodevelopmental Disorders

Figure 4

From: Neonatal exposure to permethrin pesticide causes lifelong fear and spatial learning deficits and alters hippocampal morphology of synapses

Figure 4

Electron microscopic picture. A) synaptic junctions preferentially stained by ethanol-phosphotungstic acid (E-PTA) procedure in the rat hippocampal SMCA1. Pre- and postsynaptic membrane appositions are clearly evidenced as sharp parallel black lines: dotted (arrow) and full line, respectively, against an unstained background. Bar: 0.2 μm; B) perforated synapse in rat hippocampal SMCA1 stained by means of E-PTA technique. The evident discontinuity (arrowhead) in the giant contact zone is currently supposed to represent a perforation. Bar: 0.3 μm.

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