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Figure 1 | BMC Genomics

Figure 1

From: Transcriptome analysis of pigeon milk production – role of cornification and triglyceride synthesis genes

Figure 1

The pigeon crop differentiates during nesting. The non-‘lactating’ cropsac (A) differentiates during nesting (B&C), such that the lamina propria (*) becomes progressively more extended and narrow, and the number and depth of rete pegs (^) increases as the cropsac further differentiates. Proliferating cells are stained red with an antibody to proliferating cell nuclear antigen, and non-proliferating cells are counterstained blue with hematoxylin. Scale bar = 100 μm.

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