( ( synapse ( ( A ( specialized junction ) ) ( ( at which ) ( ( ( a ( neural cell ) ) ( -LRB- ( neuron -RRB- ) ) ) ( communicates ( with ( a ( target cell ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB synapse) (NP (NP (DT A) (VBN specialized) (NN junction)) (SBAR (WHPP (IN at) (WHNP (WDT which))) (S (NP (NP (DT a) (JJ neural) (NN cell)) (PRN (-LRB- -LRB-) (NP (NN neuron)) (-RRB- -RRB-))) (VP (VBZ communicates) (PP (IN with) (NP (DT a) (NN target) (NN cell)))))))) (. .)))
synapse A specialized junction at which a neural cell (neuron) communicates with a target cell.
(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.