Zone
Zone (Medicine)
Zone (pronounced: /zoʊn/) is a term used in various fields of medicine to denote a specific region or area. The term is derived from the Greek word "ζώνη" (zōnē), meaning "belt" or "girdle".
In the field of Anatomy, a zone refers to a specific region or section of the body. For example, the epiphysis of a long bone is divided into three zones: the reserve zone, proliferative zone, and hypertrophic zone.
In Dermatology, the term is used to describe specific regions of the skin that are more susceptible to certain conditions. For example, the "T-zone" refers to the forehead, nose, and chin, which are often more oily and prone to acne.
In Cardiology, the term "zone" is used to describe areas of the heart that may be affected by certain conditions. For example, the "infarct zone" refers to the area of the heart muscle that is damaged during a heart attack.
In Neurology, a "zone" can refer to a specific region of the brain or spinal cord. For example, the "Brodmann's zones" are areas of the cerebral cortex defined by their distinct cytoarchitecture.
Related terms include:
- Zonula: A small zone or belt-like region.
- Zonule: A small zone, particularly the zonule of Zinn, a ring of fibrous strands connecting the ciliary body with the crystalline lens of the eye.
- Zoster: Also known as shingles, a viral disease characterized by a painful skin rash with blisters in a localized area, typically in a stripe pattern on one side of the body or face.
See also
External links
- Medical encyclopedia article on Zone
- Wikipedia's article - Zone
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