palmar and plantar keratosis Directory References Discover How Deadly Is Quicksand? 7 Everyday English Idioms and Where They Come From 7 Deadliest Weapons in History 7 of History's Most Notorious Serial Killers Who Invented the Internet? 9 Memorials and Monuments in the United States 7 of the World’s Deadliest Plants Contents palmar and plantar keratosis skin disease Ask the Chatbot a Question Ask the Chatbot a Question Learn about this topic in these articles:form of keratosis In keratosisPalmar and plantar keratosis is a congenital, often hereditary, thickening of the horny layer of the skin of the palms and soles, sometimes with painful lesions resulting from the formation of fissures. Read More