vital organ

An organ of the body which performs a sufficiently important function that damage to the organ can cause death.

Japanese Meaning

生命維持に不可欠な臓器。体内で重要な機能を担い、損傷すると生命に危険が及ぶ臓器。

During the surgery, the team took extra care to avoid damaging any vital organ.

手術中、チームは生命維持に必要な臓器を損傷しないよう特に注意した。

Sense（1）

An organ of the body which performs a sufficiently important function that damage to the organ can cause death.

vital organs

（ plural ）