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. Author manuscript; available in PMC: 2024 Mar 13.
Published in final edited form as: Bone. 2023 Nov 25;179:116983. doi: 10.1016/j.bone.2023.116983

Figure 1. Repeated ulnar loading led to stress fracture and formation of a callus containing macrophages.

Figure 1.

(A, B) The mouse was positioned with the ulna in a vertical position between the load cell and cup for stress fracture induction. (C-E) Hematoxylin and eosin staining was performed one week post injury in the ulna when non-loaded (C) or loaded to induce stress fracture (D,E). (F-H) Immunofluorescence with an F4/80 antibody was used to identify macrophages in an unloaded (F) and stress fracture callus (G, H). The boxes in panels D and G outline to the location of panels E and H, respectively. n=2