( ( ( ( ( The functions ) ( of excretion ) ) ; ) ( ( ( ( ( the mechanisms ) ( of ( excretion ( including ( ( ( ( ( ( ( renal metabolism ) , ) ( renal handling ) ) ( -LRB- ( ( ( ( ( ( secretion , ) reabsorption ) , ) and ) filtration ) -RRB- ) ) ) , ) and ) ( transepithelial ( transport processes ) ) ) ) ) ) ) ; ) and ) ( ( the factors ) ( regulating ( ( these mechanisms ) ( are discussed ) ) ) ) ) ) . )
(ROOT (NP (NP (NP (DT The) (NNS functions)) (PP (IN of) (NP (NN excretion)))) (: ;) (NP (NP (NP (DT the) (NNS mechanisms)) (PP (IN of) (NP (NP (NN excretion)) (PP (VBG including) (NP (NP (JJ renal) (NN metabolism)) (, ,) (NP (JJ renal) (NN handling)) (PRN (-LRB- -LRB-) (NP (NP (NN secretion)) (, ,) (NP (NN reabsorption)) (, ,) (CC and) (NP (NN filtration))) (-RRB- -RRB-)) (, ,) (CC and) (NP (JJ transepithelial) (NN transport) (NNS processes))))))) (: ;) (CC and) (NP (NP (DT the) (NNS factors)) (VP (VBG regulating) (SBAR (S (NP (DT these) (NNS mechanisms)) (VP (VBP are) (VP (VBN discussed)))))))) (. .)))
The functions of excretion; the mechanisms of excretion including renal metabolism, renal handling (secretion, reabsorption, and filtration), and transepithelial transport processes; and the factors regulating these mechanisms are discussed.
(ROOT (S (NP (NP (DT The) (JJ main) (NNS functions)) (PP (IN of) (NP (NN epithelia)))) (VP (VBP are) (NP (NP (NN protection)) (PP (IN from) (NP (NP (DT the) (NN environment) (, ,) (NN coverage) (, ,) (NN secretion) (CC and) (NN excretion)) (, ,) (NP (NN absorption)) (, ,) (CC and) (NP (NN filtration)))))) (. .)))