planum

面； 平面

I have seen cats with squamous cell carcinoma lose the pigment in the nasal planum as an early sign. 我看到过猫患有的鳞状细胞肿瘤的初期会在鼻平面上出现色素减退。

There are also usually skin sores around the edges of the nasal planum, on the bridge of the nose, around the eyelids or places like that. 通常在鼻平面的边缘会有皮肤发炎，或是在鼻梁，眼皮的位置等等。