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.
Posted here: On Ambiverts: Why Distinguishing Between Extroverts and Introverts is Inadequate. I've always hated the distinction between introverts and extroverts because I never could identify with either side. The accepted school of thought is that a person is either one or the other, without any middle ground.