( There ( ( are ( ( large jets ) ( called ( spicules ( ( extending upto ) ( the corona ) ) ) ) ) ) . ) )
(ROOT (S (NP (EX There)) (VP (VBP are) (NP (NP (JJ large) (NNS jets)) (VP (VBN called) (NP (NP (NNS spicules)) (VP (VBG extending) (NP (NN upto)) (NP (DT the) (NN corona))))))) (. .)))
There are large jets called spicules extending upto the corona.
(ROOT (S (NP (NP (DT The) (JJ sharp) (NNS projections)) (SBAR (IN that) (S (NP (JJ specialized) (NNS cells)) (VP (VBP grow))))) (VP (VBP are) (VP (VBN called) (NP (NNS spicules)))) (. .)))