Nucleus accumbens (NAc), the other name is ventral striatum, makes up the ventral basal ganglia with ventral pallidum, as well as an important part of mesolimbic dopaminergic system.

• 伏核（nucleus accumbens，NAc），亦称腹侧纹状体，与腹侧苍白球一起被称之腹侧基底节，同时也是中脑边缘DA系统的重要组成部分。