Port Wine Stain

A vascular birthmark usually present at birth that affects approximately 3 out of every 1,000 babies. The birthmark generally is flat and pink or red at birth. It may lighten during the baby's first few months of life. However, as time passes, the port wine stain will usually become darker and may continue to grow. The majority of port wine stain.....
Found on http://www.pregnology.com/Pregnancy-dictionary/

Port wine stain

Port wine stain: A mark on the skin that resembles port wine (porto) in its rich ruby red color. Due to an abnormal aggregation of capillaries, a port wine stain is a type of hemangioma. A port wine stain on the face is a sign of the Sturge-Weber syndrome.
Found on http://www.medterms.com/script/main/art.asp?articlekey=5005
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