noun, noun which may take the genitive case particle 'no'
cerebral ventricle
Medical term for the fluid-filled cavities within the brain.
Cerebrospinal fluid is accumulating in the cerebral ventricle.
MRIで脳室の拡大が確認された。
Enlargement of the cerebral ventricle was confirmed on MRI.
third ventricle
fourth ventricle
periventricular leukomalacia
Compound of 脳 (のう, 'brain') and 室 (しつ, 'chamber, room'). The term is a direct anatomical borrowing from Western medicine, likely coined in the Meiji period.