Tyler Perry Studios. Tyler Perry, an Atlanta-based writer, producer, and performer, is one of the most commercially successful African American filmmakers in history. Tyler Perry Studios, which opened in Atlanta in 2008, is the first major film studio in the nation to be owned by an African American. Perry is best known for his signature character, Madea, whom he has portrayed in both stage plays and films.
Medical Definition of xeroderma. : a disease of the skin characterized by dryness and roughness and a fine scaly desquamation.
Xeroderma pigmentosum, which is commonly known as XP, is an inherited condition characterized by an extreme sensitivity to ultraviolet (UV) rays from sunlight.eurological abnormalities are also thought to result from an accumulation of DNA damage, although the brain is not exposed to UV rays. Researchers suspect that other factors damage DNA in nerve cells. It is unclear why some people with xeroderma pigmentosum develop neurological abnormalities and others do not.