( ( ( ( Crisscrossing ( ( the cytoplasm ) ( is ( a structure ) ) ) ) called ) ( ( ( the cytoskeleton ) , ) ( which ( consists ( of ( thread-like ( ( filaments and ) tubules ) ) ) ) ) ) ) . )
(ROOT (SINV (VP (VBG Crisscrossing) (SBAR (S (NP (DT the) (NN cytoplasm)) (VP (VBZ is) (NP (DT a) (NN structure)))))) (VP (VBD called)) (NP (NP (DT the) (NN cytoskeleton)) (, ,) (SBAR (WHNP (WDT which)) (S (VP (VBZ consists) (PP (IN of) (NP (JJ thread-like) (NNS filaments) (CC and) (NNS tubules))))))) (. .)))
Crisscrossing the cytoplasm is a structure called the cytoskeleton , which consists of thread-like filaments and tubules.
(ROOT (S (NP (DT The) (NN cytoskeleton)) (VP (VBZ is) (NP (NP (DT a) (JJ cellular) (`` ``) (JJ scaffolding) ('' '') (CC or) (`` ``) (NN skeleton) ('' '')) (SBAR (WHNP (WDT that)) (S (VP (VBZ crisscrosses) (NP (DT the) (NN cytoplasm)))))))))