Muscle twitching is caused by minor muscle contractions in the area, or uncontrollable twitching of a muscle group that is served by a single motor nerve fiber.
What is the definition of 'matriculate'? The definition of matriculate is to be enrolled at university or college. It also describes a person who has matriculated, and other similar words include enroll and register. â¦ Answers Publisher
(grÄd) n. 1. A stage or degree in a process. 2. A position in a scale of size, quality, or intensity: a poor grade of lumber. 3. An accepted level or standard. 4. A set of persons or things all falling in the same specified limits; a class.