Ma'anar ƙamus na kalmar "corium" shine zurfin fatar fata, wanda ke ƙarƙashin epidermis, wanda ya ƙunshi magudanar jini, jijiyoyi, gumi, da kuma gashin gashi. Ana kuma san shi da dermis ko fata na gaskiya. A cikin magungunan dabbobi, ana amfani da kalmar corium don bayyana ma'aunin nama mai jijiya da tauye da ke ƙarƙashin bangon kofaton dabbobi kamar dawakai da shanu.
