Complex sentence: Toxic epidermal necrolysis (TEN) is a life-threatening and usually drug-induced dermatological condition that is characterized by the detachment of the top layer of skin (epidermis) from the lowers layer of the skin (dermis) all over the body.
Split into simpler sentences: Toxic Epidermal Necrolysis (TEN) is a life-threatening, and usually drug-induced, dermatological condition. It is characterized by the detachment of the top layer of skin, (epidermis) from the lowers layer of the skin (dermis) all over the body.