Categorized In: Biology , Health , Definitions
Source: What's a Birthmark? | kidshealth.org
Description: One of the most common types of birthmarks is called a hemangioma (say: he-man-jee-o-muh). These birthmarks happen when many new blood vessels grow in a specific area on the sk
3 days ago, 10:38am
The cause of most birthmarks is unknown. They can be inherited, but usually are not, and are unrelated to trauma to the skin.
Birthmarks may be the result of excess pigment cells in a small area, or tiny blood vessels that overgrow or expand in the skin.
Birthmarks are made up of malformed pigment cells or blood vessels. Thanks for asking ChaCha!
Birthmarks are pigmented maldevelopments of the skin that vary in size, either present at birth or developing later.