M3I1C3R1O1T1U1B3U1L1E1S1
18 points
MICROTUBULES is validvalid
MICROTUBULE, [n]
MICROTUBULE, any of the relatively rigid structures in the cytoplasm of many plant and animal cells [n]
MICROTUBULE, [n]
MICROTUBULE, any of the relatively rigid structures in the cytoplasm of many plant and animal cells [n]