| The term extended amygdala refers to a composite structure of the telencephalon that is defined by connectivity and neurochemical staining. It includes the central amygdaloid nucleus and a portion of the corticomedial nuclear group of the amygdala, the portion of substantia innominata ventral to the globus pallidus and putamen, the medial portion of nucleus accumbens, and the nucleus of stria terminalis. The boundaries are indistinct in Nissl stained sections. |
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