( ( N Neurotransmitter ) ( ( ( Any ( one ( of ( numerous chemicals ) ) ) ) ( in ( ( the ( nervous system ) ) ( that ( ( ( ( modify or ) result ) ( in ( ( the transmission ) ( of ( nerve impulses ) ) ) ) ) ( between synapses ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP N) (NNP Neurotransmitter)) (VP (VBD Any) (NP (NP (CD one)) (PP (IN of) (NP (JJ numerous) (NNS chemicals)))) (PP (IN in) (NP (NP (DT the) (JJ nervous) (NN system)) (SBAR (WHNP (WDT that)) (S (VP (VB modify) (CC or) (VB result) (PP (IN in) (NP (NP (DT the) (NN transmission)) (PP (IN of) (NP (NN nerve) (NNS impulses))))) (PP (IN between) (NP (NNS synapses))))))))) (. .)))
N Neurotransmitter Any one of numerous chemicals in the nervous system that modify or result in the transmission of nerve impulses between synapses.
(ROOT (S (PP (IN Like) (S (NP (DT a) (NN runner)) (VP (VBG passing) (NP (DT a) (NN baton))))) (, ,) (NP (NP (DT the) (NN transmission)) (PP (IN of) (NP (NP (NN nerve) (NNS impulses)) (PP (IN between) (NP (NNS neurons)))))) (VP (VBZ depends) (PP (IN on) (NP (NNS neurotransmitters)))) (. .)))