Ghrelin - immunoreactive cells were shown to be located in the hypothalamic arcute nucleus,PVN, VMH as well as the stomach.

• 解剖及生理学研究己证实在下丘脑具有影响并调节胃肠运动，摄食行为及食欲的重要中枢，室旁核(PVN)，下丘脑腹内侧核(VMH)，外侧区(LHA)是接受经由延髓孤束核(NTS)传入的消化内脏感觉信号，综合来自海马、杏仁边缘系统传出的冲动。