Keratopachyderma
keratopachyderma ker·a·to·pach·y·der·ma (kěr’ə-tō-pāk’ĭ-dûr’mə)
n.
A syndrome of congenital deafness characterized by the formation of bandlike constrictions of the fingers and hyperkeratosis of the skin of the palms, soles, elbows, and knees appearing in childhood.
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