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. 2013 Jan 23;33(4):1696–1705. doi: 10.1523/JNEUROSCI.3067-12.2013

Figure 8.

Figure 8.

Projections of PM to the SC. A, In situ image of callosal connections retrogradely labeled with the fluorescent tracer bisbenzimide (blue). BDA injection site (arrow) in callosally connected cortex medial to V1. White lines indicate the rostrocaudal level of the coronal sections shown in B and B′. B, Coronal section showing bisbenzimide-labeled callosal connections and injection site (arrow) in callosally connected cortex medial to V1. Arrowhead marks V1/AL border. B′, Dark-field image of section adjacent to B, showing that BDA injection is confined to gray matter. C, Dark-field images of BDA-labeled axonal branches terminating in deep layers of the SC. Scale bars: A, B, B′, 1 mm; C, 0.5 mm. For abbreviations, see Figure 1.