Annular
Annular
Annular (pronunciation: /ˈan.jʊ.lər/) is a term used in various fields of medicine to describe a ring-like structure or pattern. The term is derived from the Latin word "annulus," which means "ring."
Etymology
The term "annular" is derived from the Latin word "annulus," which means "ring." It is used to describe structures or patterns that are ring-shaped or circular.
In Dermatology
In dermatology, an annular lesion refers to a skin lesion that appears in a ring-like pattern. These lesions can be a symptom of various skin conditions, such as ringworm, granuloma annulare, and Lyme disease.
In Anatomy
In anatomy, the term "annular" is used to describe structures that are ring-shaped. For example, the annular ligament is a strong band of fibers that encircles the head of the radius in the elbow.
In Radiology
In radiology, an annular pancreas is a rare congenital anomaly where a ring of pancreatic tissue encircles the duodenum. This can lead to duodenal obstruction.
Related Terms
- Annular ligament: A strong band of fibers that encircles the head of the radius in the elbow.
- Annular lesion: A skin lesion that appears in a ring-like pattern.
- Annular pancreas: A rare congenital anomaly where a ring of pancreatic tissue encircles the duodenum.
External links
- Medical encyclopedia article on Annular
- Wikipedia's article - Annular
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