( ( ( ( m ( in size ) ) and ) ( composed ( of ( simple ( cell ( and ( spicule associations ) ) ) ) ) ) ) . )
(ROOT (S (VP (VP (VBN m) (PP (IN in) (NP (NN size)))) (CC and) (VP (VBN composed) (PP (IN of) (NP (JJ simple) (NN cell) (CC and) (NN spicule) (NNS associations))))) (. .)))
m in size and composed of simple cell and spicule associations.
(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)))) (. .)))