The fine, downy hair that often covers the shoulders, back, forehead, and cheeks of a prematurely born newborn infant. Lanugo is replaced by more normal appearing hair toward the end of gestation. Lanugo is a sign of prematurity.
The fine, downy hair that often covers the shoulders, back, forehead, and cheeks of a prematurely born newborn infant. Lanugo is replaced by more normal appearing hair toward the end of gestation. Lanugo is a sign of prematurity.