excitatory synaptic transmission pathway glutamate signaling pathway 2011-03-09T11:57:08Z Glutamate signaling via the ionotropic AMPA or NMDA and several metabotropic receptors plays important roles in the modulation of synaptic plasticity, long term depression or potentiation, and in learning and memory. PW:0000844 glutamate receptor signaling pathway pathway vpetri