陥かん凹おう

noun

indentation; concavity; recessus; vallecula

Medical term for a depressed or concave area in anatomy, such as a recess or vallecula. Used in clinical descriptions.

• CT画が像ぞうで胃いの陥かん凹おうが認みとめられた。

  An indentation of the stomach was observed on the CT image.

• この陥かん凹おうは解かい剖ぼう学がく的てきに重じゅう要ような構こう造ぞうです。

  This recess is an anatomically important structure.