noun
reticular activating system; RAS
Anatomical term for the brainstem network that regulates arousal and consciousness.
網様体賦活系は、睡眠と覚醒の調節に重要な役割を果たしている。
The reticular activating system plays an important role in regulating sleep and wakefulness.
Compound of 網様体 (reticular formation) and 賦活系 (activating system), a direct translation of the English medical term.