bejel
noun
bej·el
| \ ˈbej-əl
\
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Medical Definition of bejel
: a disease that is endemic chiefly in children of dry hot regions of northern Africa, Asia, and the Middle East, is marked by bone and skin lesions, and is caused by a spirochete of the genus Treponema (T. endemicum) closely related to the causative agent of syphilis
— called also endemic syphilis