cytoskeletal

from The Collaborative International Dictionary of English v.0.48

cytoskeletal \cy`to*skel"e*tal\
   (s[imac]`t[-o]*sk[e^]l"[e^]*tal), a. (Cell Biology)
   Of or pertaining to the cytoskeleton; as, cytoskeletal
   microtubules.
   [PJC]