Structure o 0.lum in diameter, with different length. s core: longitudinal microfilament-actin filament fixed on terminal web(终末网) ,o terminal web: made up of transverse-arranged filament at the apical side of cells ③ q17 Structure ❖ 0.1um in diameter, with different length. ❖ core: longitudinal microfilament-actin filament fixed on terminal web (终末网) ❖ terminal web: made up of transverse-arranged filament at the apical side of cells