Which prefix means red?

Which prefix means red?

• A. Cyano-
• B. Ery-
• C. Melano-
• D. Leuko-

Answer: (B)

Color prefixes in medical terminology indicate color, helping you recognize what the term describes. Red is denoted by ery- (from Greek erythros). You’ll see it in words like erythema, meaning redness of the skin, and in erythrocyte, the red blood cell, where the root signals red. The shortened form ery- appears in many compound terms to indicate red. By comparison, cyano- means blue, melano- means black, and leuko- means white. So the prefix that means red is ery-.

Color prefixes in medical terminology indicate color, helping you recognize what the term describes. Red is denoted by ery- (from Greek erythros). You’ll see it in words like erythema, meaning redness of the skin, and in erythrocyte, the red blood cell, where the root signals red. The shortened form ery- appears in many compound terms to indicate red. By comparison, cyano- means blue, melano- means black, and leuko- means white. So the prefix that means red is ery-.