( ( This space ) ( ( ( ( is ( called ( the synapse ) ) ) and ) ( is ( ( the ( site communication ) ) ( between cells ) ) ) ) . ) )
(ROOT (S (NP (DT This) (NN space)) (VP (VP (VBZ is) (VP (VBN called) (NP (DT the) (NN synapse)))) (CC and) (VP (VBZ is) (NP (NP (DT the) (NN site) (NN communication)) (PP (IN between) (NP (NNS cells)))))) (. .)))
This space is called the synapse and is the site communication between cells.
(ROOT (S (NP (DT The) (DT the) (NN synapse)) (VP (VBZ is) (NP (NP (DT the) (NN space)) (PP (IN between) (NP (NP (DT a) (NN neuron)) (CC and) (NP (DT the) (JJ next) (NN cell)))))) (. .)))
The the synapse is the space between a neuron and the next cell.