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. 2015 May 5;6:212. doi: 10.3389/fimmu.2015.00212

Figure 4.

Figure 4

(A, C) Following wounding, there is a 1-2 day “burst” of killer NO (measured as Citrulline and NO2) in vivo, followed by (B, D) macrophages metabolizing arginine to the growth-promoting repair molecule, ornithine (and urea), as healing proceeds. From Ref. (14). Copyright 1990. The American Association.