A dermatologist is a doctor who has extensive training and knowledge of the skin, scalp, hair and nails and treats conditions that affect those areas. These doctors will evaluate any abnormality, blemish or lesion on the skin in order to determine the cause and will determine a course of treatment.
Definition of rampart for English Language Learners. : a tall, thick stone or dirt wall that is built around a castle, town, etc., to protect it from attacks.
Cast stone: Cast stone is actually a type of brick, originally made by entrepreneurial builders using plaster, sand and other materials. Molded to look like real stone, the advantage of this building style was cost, ease-of-construction and the ability to make stylish, but symmetrical bricks.