| paranasal sinus | (n) any of the paired sinuses in the bones of the face adjacent to the nasal cavity that are lined with mucous membrane that is continuous with the lining of the nasal cavities, Syn. sinus paranasales, nasal sinus |
| 鼻窦 | [鼻 窦 / 鼻 竇] paranasal sinus [Add to Longdo] |
| 副鼻腔 | [ふくびこう;ふくびくう, fukubikou ; fukubikuu] (n) (ふくびくう is used by medical professionals) paranasal sinus; paranasal cavity; sinus paranasales [Add to Longdo] |