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. 2016 Dec 9;7:609. doi: 10.3389/fphys.2016.00609

Figure 5.

Figure 5

Serotoninergic character of hypoxic c-FOS-positive cells of one-day-old mice. Drawings illustrating the distribution of cells immunoreactive for c-FOS (white points) or both c-FOS and 5-HT (black points) in the PP (A) and RMg (B) under hypoxic conditions. Scale bar = 100 μm. Photomicrographs of sections double-immunolabeled for c-FOS (gray) and 5-HT (brown) in the PP (C) and RMg (D) corresponding to the regions outlined by the black rectangles of (A,B), respectively. Scale bar = 100 μm. (E,F) photomicrographs representing an enlargement of the black rectangles in (C,D), respectively. Scale bar = 50 μm. Black arrows indicate c-FOS-positive neurons that are also immunoreactive for 5-HT. RPa, raphe pallidus nucleus; RMg, raphe magnus nucleus; PP, parapyramidal group; Py, pyramidal tract.