Medical Definition of nasolabial
: of, relating to, located between, or affecting the nose and the upper lip a nasolabial cyst.
What causes nasolabial folds?
What causes nasolabial folds? Age, sun damage, and smoking are the biggest culprits of deepening nasolabial folds. The sun's ultraviolet (UV) rays break down the collagen and elastin fibers in your skin that keep it smooth and supported. Smoking also breaks down these fibers.
What is the root in Nasolabial?
The nasolabial folds, commonly known as "smile lines" or "laugh lines", are facial features. They are the two skin folds that run from each side of the nose to the corners of the mouth. ... The term derives from Latin nasus for "nose" and labium for "lip".