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| Higher magnification that shows the bilayer nature of the ciliary membrane (cm), plasma membrane (pm) and the outer (oam) and inner (iam) alveolar sac membranes of the alveoli (al). The 9-doublet + 2-singlet microtubular axonemal system of the cilium is seen in cross section (also see Figure 8). Two dynein arms (arrowheads) extend from each doublet. tt, trichocyst tip. Cacodylate buffered fixative. EM taken on 9/27/68 by R. Allen with Philips 300 TEM. Neg. 60,400X. Bar = 0.1µm. |
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