also: びくう
nasal cavity
Anatomical term for the space inside the nose. In medical contexts, the reading びくう is used.
The nasal cavity is part of the respiratory system.
The doctor examined the nasal cavity.
paranasal sinus; paranasal cavity
Standard kanji spelling for the general reading びこう.
Medical reading; used in clinical contexts.
Compound of 鼻 (nose) and 腔 (cavity). The reading びくう is a variant used in medical terminology.