These vary in size, some being fine, delicate, and branny, as in eczema and ichthyosis, while still others are stratified, as in psoriasis.

• 鳞屑大小不一，有的细小如糠状，如湿疹和鱼鳞病的鳞屑；还有的成层状，如银屑病的鳞屑。