noun
reticular formation
Anatomical term for the network of nerve pathways in the brainstem that regulates consciousness, sleep, and attention.
網様体は脳幹に位置し、覚醒や睡眠の調節に関与している。
The reticular formation is located in the brainstem and is involved in regulating wakefulness and sleep.
From 網 (もう, 'net') + 様 (よう, 'form/appearance') + 体 (たい, 'body'), a calque of the English anatomical term 'reticular formation'.