noun Pathology.
a lionlike facial distortion.
Also called leontiasis ossea [os-ee-uh] . an overgrowth of the cranial and facial bones resulting in a lionlike appearance.

< Greek leont-, stem of léōn lion + -iasis

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leontiasis le·on·ti·a·sis (lē'ən-tī'ə-sĭs)
The ridges and furrows on the forehead and cheeks of patients who have advanced lepromatous leprosy, giving a leonine appearance. Also called leonine facies.

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