Cellophane
Cellophane
Cellophane (pronunciation: /ˈsɛləˌfeɪn/) is a thin, transparent sheet made of regenerated cellulose. Its low permeability to air, oils, greases, bacteria, and water makes it useful for food packaging.
Etymology
The term "cellophane" comes from the French word 'cellophane', which is derived from 'cellulose' and 'diaphane' (transparent).
Usage in Medicine
In the medical field, cellophane is used in a procedure known as Cellophane Maculopathy, a condition where a cellophane-like membrane forms over the macula, the part of the eye responsible for clear, detailed vision. It is also used in Cellophane Banding, a surgical procedure used to treat Portal Hypertension.
Related Terms
- Cellulose: An organic compound and the main constituent of plant cell walls and vegetable fibers.
- Macula: A small central area in the retina that contains special light-sensitive cells and allows us to see fine details clearly.
- Portal Hypertension: An increase in the blood pressure within a system of veins called the portal venous system.
External links
- Medical encyclopedia article on Cellophane
- Wikipedia's article - Cellophane
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