What is vernix caseosa?

Understand the Problem

The question is asking about vernix caseosa, which refers to the waxy or cheesy white substance found coating the skin of newborn human babies. It is typically examined in the context of neonatal biology and obstetrics.

Answer

Vernix caseosa is a white, creamy biofilm that protects fetal skin in late pregnancy.

Vernix caseosa is a white, creamy substance that covers the skin of a fetus during the last trimester of pregnancy. It is composed of desquamated fetal skin and sebaceous gland secretions, providing a protective biofilm layer for the newborn.

Answer for screen readers

Vernix caseosa is a white, creamy substance that covers the skin of a fetus during the last trimester of pregnancy. It is composed of desquamated fetal skin and sebaceous gland secretions, providing a protective biofilm layer for the newborn.

More Information

Vernix caseosa helps protect the baby's skin from amniotic fluid and provides lubrication during childbirth. After birth, it is often left on the baby’s skin for its moisturizing and antibacterial properties.

Tips

A common mistake is thinking vernix caseosa is only a post-birth occurrence, but it forms during pregnancy.

Sources

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