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. 1997 Apr 1;17(7):2492–2498. doi: 10.1523/JNEUROSCI.17-07-02492.1997

Fig. 2.

Fig. 2.

Template showing a coronal half-section of the tree shrew brain at level A 2.5 (see Tigges and Shantha, 1969), showing changes in the number and distribution of BrdU-labeled cells (open circles) with increased survival time after BrdU injection. Two hours after BrdU injection, most labeled cells are located in the sgz, between the gcl and hilus. Twenty-four hours after BrdU injection, more than two times as many BrdU-labeled cells are observed in the dentate gyrus, but their distribution remains similar to the 2 hr time point. Three weeks after BrdU injection, most BrdU-labeled cells are located in thegcl and are NSE-immunoreactive (solid dots). cc, Corpus callosum; lv, lateral ventricle; 3V, third ventricle;h, hilus; CA1, CA1 region;CA3, CA3 region.