: a synthetic amino acid C7H10N2O4 that binds selectively to a subset of glutamate receptors on neurons where the binding of glutamate results in an excitatory postsynaptic potential
an AMPA antagonist
The release of glutamate from sensory terminals evokes fast synaptic potentials in dorsal horn neurons by activating the AMPA-type glutamate receptors.Allan I. Basbaum and Thomas M. Jessell, in Principles of Neural Science, 4th edition
also : the subset of receptors to which AMPA binds
Glutamate binds to two types of receptor on the postsynaptic neuron, called AMPA and NMDA. New Scientist

Dictionary Entries Near AMPA

Cite this Entry

“AMPA.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/AMPA. Accessed 23 May. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!