Asymmetrical
Asymmetrical
Asymmetrical (pronunciation: /ˌeɪsɪˈmɛtrɪk(ə)l/) is a term used in various fields of study, including medicine, biology, and mathematics. It refers to a lack of symmetry or balance in shape, structure, or arrangement.
Etymology
The term "asymmetrical" is derived from the Greek words "a-" meaning "not," and "symmetria" meaning "measure together." Thus, it literally means "not measured together," indicating a lack of balance or proportion.
In Medicine
In medicine, asymmetrical refers to a condition where two parts of the body that are supposed to be symmetrical are not. This can be a normal variation or can indicate a medical condition. For example, Asymmetrical Tonic Neck Reflex (ATNR) is a primitive reflex found in newborn babies that can persist in children with neurological conditions.
Related Terms
- Symmetry: The quality of being made up of exactly similar parts facing each other or around an axis.
- Bilateral Symmetry: A type of symmetry where the left and right sides of an organism are mirror images of each other.
- Radial Symmetry: A type of symmetry where an organism can be divided into equal parts around a central axis.
- Asymmetry: The absence of, or a violation of, symmetry.
External links
- Medical encyclopedia article on Asymmetrical
- Wikipedia's article - Asymmetrical
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