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Mongolian spot noun

  • A benign, flat, congenital, usually blue to blue-black birthmark on the lower back with wavy borders and irregular shape, prevalent among East Asians, South-East Asians, Polynesians, Native Americans, East Africans, and the Turkish people. It normally disappears three to five years after birth and almost always by puberty.
 tache bleue mongolique, tache mongolique, tache mongoloïde, tache pigmentaire congénitale

mongolian spot

tache bleue
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