Circle
Circle (Medicine)
Circle (pronounced: /ˈsəːk(ə)l/) is a term used in various medical contexts, often to describe the round shape of certain structures or patterns observed in medical imaging or during physical examination. The term originates from the Old French cercle, which in turn comes from the Latin circulus, a diminutive form of circus, meaning "ring".
Medical Usage
In medicine, the term "circle" is often used to describe the shape of certain structures or patterns. For example, the Circle of Willis is a circular anastomosis of arteries at the base of the brain. The Circle of Zinn refers to a ring of arteries supplying the eye.
In dermatology, a "circle" may refer to the shape of certain skin lesions, such as ringworm (tinea corporis), which often appears as a circular rash.
In ophthalmology, the term "circle" can refer to the circular shape of the pupil or the iris.
In radiology, a "circle" may refer to the shape of certain findings on imaging studies. For example, a "ground-glass opacity" on a chest CT scan may appear as a circle or semi-circle.
Related Terms
External links
- Medical encyclopedia article on Circle
- Wikipedia's article - Circle
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