Fig. 1From: Tetrahymena basal bodiesPolarized organization of Tetrahymena BBs. BBs are labeled in red (α-centrin, [27]) and kinetodesmal fibers are labeled in green (α-KF, [44]). The merged image highlights the organized ciliary array, the oral apparatus, and the apical crown which demarcates anterior–posterior polarity. Scale bar 5 μmBack to article page