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. Author manuscript; available in PMC: 2006 Sep 11.
Published in final edited form as: Spinal Cord. 2005 Dec 13;44(9):547–559. doi: 10.1038/sj.sc.3101862

Figure 4.

Figure 4

Dorsoventral distribution of FOS+ neurons relative to duration of treadmill stepping. With an increasing duration of treadmill stepping there was not only an increase in number of FOS+ neurons in the DH but also a gradual appearance of VH cells positive for FOS (a). Symbols indicate intensity of FOS staining: high (red circles), medium (blue squares), low (green triangles); black line outlines the gray matter of the spinal cord section. Scale bar = 300 μm. Laminae I–V, VII, and IX were chosen to demonstrate the trend of FOS+ neurons increasing with duration of treadmill stepping in the dorsoventral direction (b)