Medial agranular cortex (AGm) is a narrow, longitudinally oriented region known to have extensive corticortical connections. The rostral and caudal portions of AGm exhibit functional differences that may involve these connections. Therefore we have examined the rostrocaudal organization of the afferent cortical connections of AGm by using fluorescent… (More)
The cerebral isocortex is usually considered to be a 6-layered structure. Our anatomical findings suggest that layer VII be recognized as a distinct entity in rodent isocortex. This conclusion is based on cytoarchitectural, fiberarchitectural, connectional and developmental data.
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We have combined the retrograde Fluoro-Gold (FG) and anterograde autoradiographic (AR) procedures to yield a sensitive high resolution technique by which afferent and efferent connections can be visualized from a single intracerebral injection site. Combined FG/AR sections show excellent results, with no apparent loss of signal compared to performing either… (More)