phacomatosis
noun
phaco·ma·to·sis
ˌfak-ō-mə-ˈtō-səs 
plural phacomatoses
-ˌsēz
: any of a group of hereditary or congenital diseases (as neurofibromatosis) affecting the central nervous system and characterized by the development of hamartomas
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“Phacomatosis.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/phacomatosis. Accessed 19 Jun. 2025.
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