Keywords: Bronchiolar area cilia cross-sections 1.jpg Transmission electron microscope image of a thin section cut through the bronchiolar area of lung mouse showing cilia cross-sections The inside of the cilium contain precisely arranged microtubles the axoneme The axoneme has a central unit containing two single microtubules and nine peripheral doublet microtubules known as the 9+2 Dynein sidearms project from the A tubule of each doublet JEOL 100CX TEM http //remf dartmouth edu/imagesindex html http //remf dartmouth edu/images/mammalianLungTEM/source/15 html Louisa Howard Michael Binder PD Louisa Howard and Michael Binder Cell biology |