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：photo-, phot-, -photic

【来源及含义】Greek: light; ultraviolet and infrared radiation; radiant energy

【相关词根词缀】 Etymologically related "light, shine, glow" word families: ethero-; fulg-; luco-; lumen-, lum-; luna, luni-; lustr-; phengo-; pheno-; phospho-; scinti-, scintill-; splendo-.

【同源单词】aphotesthesia, aphotic, aphototaxis, aphototropism, astrophotograph, astrophotographer