( Lysozyme ( ( An enzyme ) ( ( found ( ( ( in ( white ( blood cells ) ) ) and ) ( in ( ( ( body secretions ) ( that ( ( destroys bacteria ) ( by ( ( breaking down ) ( their walls ) ) ) ) ) ) ( -LRB- ( ( CMD 1997 ) -RRB- ) ) ) ) ) ) . ) ) )
(ROOT (S (ADVP (RB Lysozyme)) (NP (DT An) (NN enzyme)) (VP (VBD found) (PP (PP (IN in) (NP (JJ white) (NN blood) (NNS cells))) (CC and) (PP (IN in) (NP (NP (NN body) (NNS secretions)) (SBAR (WHNP (WDT that)) (S (VP (VBZ destroys) (NP (NNS bacteria)) (PP (IN by) (S (VP (VBG breaking) (PRT (RP down)) (NP (PRP$ their) (NNS walls)))))))) (PRN (-LRB- -LRB-) (NP (NNP CMD) (CD 1997)) (-RRB- -RRB-)))))) (. .)))
Lysozyme An enzyme found in white blood cells and in body secretions that destroys bacteria by breaking down their walls (CMD 1997).
(ROOT (S (NP (DT A) (NN lysozyme)) (VP (VBZ destroys) (NP (NNS bacteria)) (PP (IN by) (S (VP (VBG digesting) (NP (PRP$ their) (NN cell) (NNS walls)))))) (. .)))