| 单词 | sinus |
| 释义 | sinus —sinuslike, adj. /suy"neuhs/, n. , pl. sinuses. 1. a curve; bend. 2. a curving part or recess. 3. Anat. a. any of various cavities, recesses, or passages, as a hollow in a bone, or a reservoir or channel for venous blood. b. one of the hollow cavities in the skull connecting with the nasal cavities. c. an expanded area in a canal or tube. 4. Pathol. a narrow passage leading to an abscess or the like. 5. Bot. a small, rounded depression between two projecting lobes, as of a leaf. [1590-1600; < L sinus (s. sinu-) bent or curved surface, curve, fold] |
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