Which combining form denotes relationship to skin?

• A. aut/o
• B. dermat/o
• C. later/o
• D. sial/o

Answer: (B)

In medical terms, combining forms carry a specific meaning that helps build related words. For skin, the combining form is dermat/o, which directly means skin. That’s why it fits a question about relationship to skin—terms like dermatology (study of the skin), dermatitis (inflammation of the skin), and dermatologist (skin specialist) all use this form.

The other options point to different ideas: aut/o means self, later/o relates to side, and sial/o refers to saliva. So dermat/o is the correct choice because it specifically denotes skin.