保ほ護ご細さい胞ぼう

noun

guard cell

Botanical term for the pair of cells that control the opening and closing of stomata on plant leaves.

• 保ほ護ご細さい胞ぼうは気き孔こうの開かい閉へいを調ちょう節せつする。

  Guard cells regulate the opening and closing of stomata.