细管

canaliculus; tubule
【医】 tubule; tubuli; tubulus

1.microtubule  

细的英语翻译：

careful; fine; slender; thin; thinly; thinness; trifling
【计】 mic-
【医】 lepto-; micr-; micro-; mikro-; tenuity

管的英语翻译：

canal; duct; fistula; guarantee; meatus; pipe; tube; wind instrument
【化】 pipe; tube
【医】 canal; canales; canalis; channel; duct; ductus; salpingo-; salpinx
syringo-; tuba; tube; tubi; tubing; tubo-; tubus; vas; vaso-; vessel