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. 2015 Jun 24;10(6):e0118496. doi: 10.1371/journal.pone.0118496

Fig 7. Darkfield photomicrographs showing specialized SLIT1 and FOXP1 mRNA expression in budgerigar song nuclei.

Fig 7

(a-b) SLIT1 mRNA is downregulated in the AAC core (dashed white lines), but not in the AAC shell relative to the surrounding arcopallium. (c-d) FOXP1 mRNA is upregulated in the NLC core (dashed white lines) and part of the shell relative to the surrounding nidopallium. Sections are in the coronal plane; medial is to the left, dorsal is top. FOXP1 images adapted from Feenders et al. [35]. See list for Abbreviations.