英英辞典 - English Dictionary | CUERBO - クエルボ英語辞書

sinus

noun

  1. a wide channel containing blood

    血液の入った幅広い導管

    does not have the coating of an ordinary blood vessel

    通常の血管にあるような被覆物はない

  2. any of various air-filled cavities especially in the bones of the skull

    特に頭蓋骨の様々な空気の入った空洞のどれか

  3. an abnormal passage leading from a suppurating cavity to the body surface

    化膿する空洞から体の表面へ導く異常な路

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