The laterodorsal tegmentum (LDT) neurons supply most of the cholinergic tone to the brainstem and diencephalon necessary for physiological arousal.
维持生理性觉醒，需要大脑脚被盖背侧核的神经元为脑干及间脑提供胆碱能递质。
2
Primordial germ cells came from pole cells and moved in two masses to the laterodorsal abdomen of embryo, and then were enveloped by mesoderm to form germinal ridge.