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. 2009 Dec 17;9:448. doi: 10.1186/1471-2407-9-448

Figure 5.

Figure 5

A primary cilium in the latter stages of ciliogenesis in U-87 MG cells. Electron micrograph showing well formed microtubule doublets (arrows) with normal spacing between doublets in longitudinal section. Scale bar = 100 nm.