シアル酸さんMeanings1nounsialic acidA biochemical term for a family of acidic sugars found in glycoproteins and glycolipids, especially on cell surfaces.シアル酸さんは細さい胞ぼう表ひょう面めんの糖とう鎖さに多おおく含ふくまれている。Sialic acid is abundant in the sugar chains on cell surfaces.