SINCE 1828
pycnodysostosis
noun
pyc·no·dys·os·to·sis
variants:
or pyknodysostosis \ ˌpik-nō-ˌdis-ä-ˈstō-səs
\
plural pycnodysostoses\ -ˌsēz
\
Medical Definition of pycnodysostosis
: a rare genetic condition inherited as an autosomal recessive trait and characterized esp. by short stature, fragile bones, shortness of the fingers and toes, failure of the anterior fontanel to close properly, and a receding chin
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