( Dev ( - ( ( ( eloping ( amphidisc spicules ) ) ( are ( ( ( transported ( by ( ( ( their par ) - ) ( ( ent cells ) ( to ( the ( growing gemmule ) ) ) ) ) ) ) and ) ( incorporated ( into ( the ( spongin envelope ) ) ) ) ) ) ) . ) ) )
(ROOT (FRAG (NP (NNP Dev)) (: -) (S (NP (VBG eloping) (JJ amphidisc) (NNS spicules)) (VP (VBP are) (VP (VP (VBN transported) (PP (IN by) (NP (NP (PRP$ their) (NN par)) (: -) (NP (NP (NN ent) (NNS cells)) (PP (TO to) (NP (DT the) (VBG growing) (NN gemmule))))))) (CC and) (VP (JJ incorporated) (PP (IN into) (NP (DT the) (NN spongin) (NN envelope))))))) (. .)))
Dev- eloping amphidisc spicules are transported by their par- ent cells to the growing gemmule and incorporated into the spongin envelope.
(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)))) (. .)))