Fig.8.
vGluT1-labeled As-type (putative corticothalamic) terminals form synaptic contacts with vesicle-filled putative interneuron dendrites, (a-c) vGluT1-labeled terminal (As) making synaptic contact (red arrowheads) with a vesicle-filled interneuron’s dendrite (v. Den) and a projection neuron (Den) in the VApc of a MPTP-treated monkey. An unlabeled bouton in asymmetric contact with the same dendrite is also shown (Ter), (d-e) Proportion of vGluT1-labeled terminals in the VApc (d) and the CM (e) in contact with dendrites of projection neurons and interneurons in individual control (C1-C3) and parkinsonian (M1-M3) monkeys. Scale bars correspond to 500 nm.