mongolian spot

Japanese: mongolian spot(英語表記)mongolianspot
mongolian spot


[Melanocyte-based nevus]
They are blue to black in color. Mongolian spots are gray-blue spots found in the lumbar to sacral regions of newborns and infants, and are visible to the naked eye in more than 90% of Japanese people. They are present at birth, increase in number thereafter, gradually fade, and almost disappear by the age of 5 to 6.

*Some of the terminology that refers to "mongolian spot" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:


[色素細胞系の母斑]
 青色ないし黒色調を呈する。蒙古斑mongolian spotは新生児,乳児の腰部から仙骨部にみられる灰青色斑で,日本人の場合90%以上に肉眼的に認められる。生下時からみられ,その後ある程度増加し,徐々にうすくなり5~6歳までにほとんど消失する。…

※「mongolian spot」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

<<:  Monggholunniuchatobchaan (English: Monggholunniuchatobchaan)

>>:  Mongolism

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