this tritiated enantiomer of the amino acid aspartate is ( 1 ) taken up selectively by axon terminals of neurones releasing aspartate and/or glutamate as excitatory neurotransmitter , ( 2 ) retrogradely transported and accumulated in perikarya , ( 3 ) not metabolized , and ( 4 ) visualized by autoradiography .
C0027882
neurones
C0599444
perikarya