Kyūjitai form of 脳幹: brain stem

important, significant / grave, solemn

importance, significance, seriousness, gravity

damage, injury

to damage, to injure

Kyūjitai form of 脳

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

a tree trunk / a plant stalk