noun
cradle cap; milk crust
Medical term for the yellowish, scaly patches that can appear on an infant's scalp. Used in pediatric and parenting contexts.
赤ちゃんの頭に乳痂ができた。
The baby developed cradle cap on its head.
乳痂は自然に治ることが多い。
Cradle cap often clears up on its own.