Microtubules are the largest type of filament, with a diameter of about 25 nanometers (nm), and they are composed of a protein called tubulin. Actin filaments are the smallest type, with a ...

The key constituents of the cytoskeleton are actin filaments, microtubules and intermediate filaments. Cilia assembly relies on cargo trains that move bidirectionally on separate tubules of the ...

Cisterna and Vitriol also took home 20th with their image showing early-stage mouse neuroblastoma cell differentiation (actin, microtubules and mitochondria). That image was the cover photo of the ...