binding sites for 125i-pyy are most concentrated in the lateral septum , stratum oriens , and radiatum of the hippocampus , amygdala , piriform cortex , entorhinal cortex , several thalamic nuclei , including the reuniens and lateral posterior nuclei , and substantia nigra , pars compacta , and pars lateralis .
C0038590
substantia nigra
C0175412
pars compacta