( ( In ( other cells ) ) ( , ( however ( , ( ( ( the onset ) ( of exocytosis ) ) ( ( was ( delayed ( by ( several minutes ) ) ) ) . ) ) ) ) ) )
(ROOT (S (PP (IN In) (NP (JJ other) (NNS cells))) (, ,) (ADVP (RB however)) (, ,) (NP (NP (DT the) (NN onset)) (PP (IN of) (NP (NNS exocytosis)))) (VP (VBD was) (VP (VBN delayed) (PP (IN by) (NP (JJ several) (NNS minutes))))) (. .)))
In other cells, however, the onset of exocytosis was delayed by several minutes.
(ROOT (S (NP (DT The) (NN cell)) (VP (VBZ expels) (NP (NN waste) (CC and) (JJ other) (NNS particles)) (PP (IN through) (NP (NP (DT a) (NN process)) (VP (VBN called) (NP (NNS exocytosis)))))) (. .)))