indirect pathway medium spiny neuron STR D2 MSN indirect pathway medium spiny neuron (Primate) Location is inferred from registration of MerFish Data. Registration may be inaccurate, giving misleading location to adjacent anatomical regions. STR D2 MSN A indirect pathway medium spiny neuron of the Primates brain. Reference transcriptomic data for this type can be found in the dataset/taxonomy - HMBA Basal Ganglia Consensus Taxonomy in cell set Subclass:STR D2 MSN.