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Representative images of axon tracts after 7 days of stretch induced growth. (A) Phase micrograph showing tracts between neurons adherent on membranes at both ends (scale bar = 1 mm). (B) Confocal micrograph of immunostained microtubule protein of coalescing axons in a single tract (scale bar = 25 μm). Reproduced with permission from Smith et al.19 Color images available online at www.liebertonline.com/ten.
