词根词缀：dermo-, derm-, derma-, dermato-, dermat-, -derm, -derma, -dermatic, -dermatous, -dermis, -dermal, -dermic, -dermoid, -dermatoid

【来源及含义】Greek: skin

【同源单词】acarine dermatosis, acarodermatitis, achromoderma, achromodermia, acrodermatitis, acrodermatosis

词根词缀：grad-, -grade, -gred, -gree, -gress

【来源及含义】Latin: walk, step, take steps, move around; walking or stepping

【同源单词】ad eundem gradum, aggradation, aggression, aggressive, aggressively, aggressiveness

词根词缀：pigment-, pigmento-

【来源及含义】Latin: "paint"; coloring matter involving both animals and plants

【相关描述】This unit is directly related to the pict- family of words.

【同源单词】accessory pigment, acropigmentation, depigmentation, hyperpigmentation, hypopigmentation, incontinentia pigmenti