Q18: Other congenital malformations of face and neck

Q18.8: Other specified congenital malformations of face and neck

While developing in the womb, many different types of tissue develop in the body. The organs and body parts develop out of the various types of tissue. While developing in the womb, the tissue can change its form and its position in the body. Some tissues merge into one another. Other tissues also degenerate to some degree during development. If tissue fails to develop properly, defects can occur.