口こう角かく

noun

corners of the mouth

Anatomical term for the angles where the upper and lower lips meet. Used in medical, cosmetic, and everyday contexts.

• 口こう角かくを上あげて笑わらうと、印いん象しょうが明あかるくなる。

  When you smile with the corners of your mouth lifted, you give a brighter impression.

• 乾かん燥そうすると口こう角かくが切きれやすくなる。

  When it's dry, the corners of the mouth tend to crack easily.