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Description
The excitatory and inhibitory amino acids in the extracellular space of the dorsal hippocampus in freely moving intact and ETOH-exposed rats during prolonged alcohol deprivation were measured using the intracerebral microdialysis method followed by HPLC/ED

That does not mean it is irrelevant

It is also required for protein and carbohydrate metabolism
Cortical proteins associated with cognitive resilience in community-dwelling older persons
