extremity
noun uk/ɪkˈstrem.ə.ti/ us/ɪkˈstrem.ə.t̬i/
[ C ]末端，尽头；（尤指）离中心最远之处
the furthest point, especially from the centre
The wood lies on the southern extremity of the estate. 树林位于庄园的最南端。
extremities [ plural ] formal （身体的）末端，末梢（如手指、脚趾、鼻子等）
the parts of the human body furthest from the heart, for example, the fingers, toes, and nose
In such a situation, your heart pumps faster to prevent your extremities from freezing.
Some people with hypertension experience symptoms such as headaches, nausea, vision changes, and cold extremities.
He suffered nerve damage to his extremities.
Prescription insoles can be used by people with circulatory problems of the lower extremities.
He specializes in musculoskeletal disorders of the back and upper extremities.