Definition of Pycnodysostosis

Our Pycnodysostosis Main Article provides a comprehensive look at the who, what, when and how of Pycnodysostosis

Pycnodysostosis: An inherited disorder of the bone that causes short stature and abnormally dense brittle bones. Due to a defect in an enzyme: cathepsin K. The French artist Toulouse-Lautrec is thought to have pycnodysostosis. Also spelled pyknodysostosis with a "k".