Copyright Â© by The McGraw-Hill Companies, Inc. McCulloch v. Maryland 1. McCulloch v. Maryland. John Marshall. OVERVIEW. McCulloch v. Maryland established the basis for the expansive authority of the U.S. Congress. The Supreme Court held that the necessary and proper clause of the U.S.
Medical Definition of ambivert. : a person having characteristics of both extrovert and introvert.
1 Extroverts are not easily influenced by outside factors, while introverts are hypersensitive. 2  Ambiverts offer a good balance between the two and are referred to as the stability normal by famed psychologist Hans Eysenck, who coined the term ambivert in 1947. 3  Ambiverts are intuitive.