<prompt> Glutamate as a neurotransmitter is synthesized mainly in which part of basal gangliaGlobus pallidus internaGlobus pallidus externaSubthalamic nucleusPutamen  <response>: Connections in Basal gangliaSubstantia nigra pars compacta SNPC to Striatum Caudate nucleus Putamen- Dopaminergic Striatum to Substantia nigra pars reticulata SNPR- GABA Striatum to Globus pallidus inner segment external segment- GABAGlobus pallidus external segment to subthalamic nucleus and internal segment- GABASubthalamic nucleus to Globus pallidus external segment and internal segment.- GlutamateWithin the striatum- Cholinergic interneurons. 