nevus --> naevus
(Science: dermatology, tumour) tumour like but nonneoplastic hamartoma of skin. A vascular naevus is a localised capillary rich area of the skin (strawberry birthmark, sometimes the much more extensive port wine stain).
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... blue light is reflected back from the vein. Black lesions deep under the skin also will appear blue for the same reason, hence the term “Blue Nevus” for a mole that is located deep in the skin. Is the lightbulb inside of your brake light on your car red? Probably not, it's white, it just has ...
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