( ( ( Cellular and ) ( ( humoral factors ) ( for ( chemotaxis ( , ( ( phagocytosis and ) intracellular ) ) ) ) ) ) ( ( bactericidal activity ) . ) )
(ROOT (S (NP (NP (NNP Cellular)) (CC and) (NP (NP (JJ humoral) (NNS factors)) (PP (IN for) (NP (NNS chemotaxis) (, ,) (NNS phagocytosis) (CC and) (NN intracellular))))) (VP (VBP bactericidal) (NP (NN activity))) (. .)))
Cellular and humoral factors for chemotaxis, phagocytosis and intracellular bactericidal activity.
(ROOT (S (NP (NNS Phagocytosis)) (VP (VBZ is) (NP (NP (DT the) (NN term)) (PP (IN for) (NP (JJ cellular) (NN eating))))) (. .)))