Abstract
Video-enhanced contrast, differential-interference contrast microscopy (VEC-DICM) was used to visualize the cytoarchitecture and subcellular neuronal structure of acute brain slices from rat hippocampus and amygdala. Even at low-power magnification, the VEC-DICM system vastly improved our ability to visualize and examine the gross organization of the tissue. With medium-power magnification, the neuronal somata and proximal dendrites were clearly visible. With high-power magnification, some of the subcellular details could be clearly discerned—including cell nuclei, cell nucleoli, fine dendritic processes, and varicosities that may be synaptic expansions. We conclude that improved optical techniques should be valuable to cellular neurobiologists interested in structure-function relationships in brain slices.
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