Lydic R, Schoene W C, Czeisler C A, Moore-Ede M C
Sleep. 1980;2(3):355-61. doi: 10.1093/sleep/2.3.355.
The suprachiasmatic nuclei (SCN) of the hypothalamus in mammals, including nonhuman primates, contain a key pacemaker of the circadian timing system. Examination of the histology of the anterior hypothalamus in human fetal, child, and adult brains indicates that there is a cluster of neurons which may be homologous to SCN. These neurons are more diffusely organized and laterally placed in human brains than is the SCN of nonhuman primates.
包括非人类灵长类动物在内的哺乳动物下丘脑中的视交叉上核（SCN）包含昼夜节律计时系统的关键起搏器。对人类胎儿、儿童和成人大脑下丘脑前部组织学的检查表明，存在一组可能与SCN同源的神经元。与非人类灵长类动物的SCN相比，这些神经元在人类大脑中的组织更为分散且位于更外侧。
