Preserved
Preserved
Preserved (pronunciation: /prɪˈzɜːrvd/) is a term used in various fields of medicine to denote the maintenance of structure, function, or condition. The term is derived from the Latin word "praeservare", which means to keep or guard.
In Pathology
In pathology, the term preserved is used to describe the state of tissues or organs that have been maintained in their original state or close to it, often through the use of chemical preservatives. This is crucial in the study of diseases and in the development of treatments. For example, a preserved specimen is one that has been prepared for study in a way that maintains its original structure and function as much as possible.
In Pharmacology
In pharmacology, preserved refers to the maintenance of the potency and effectiveness of a drug or medication over time. This is often achieved through the use of preservatives, which are substances added to products such as foods, pharmaceuticals, paints, biological samples, wood, etc. to prevent decomposition by microbial growth or by undesirable chemical changes. For instance, preserved eye drops are eye drops that contain a preservative to maintain their effectiveness.
In Cardiology
In cardiology, preserved is used to describe the condition of the heart in certain diseases. For example, in heart failure with preserved ejection fraction (HFpEF), the heart's ability to contract and pump blood (the ejection fraction) is preserved, or maintained at a normal level. However, the heart is still unable to pump enough blood to the rest of the body.
Related Terms
- Preservation
- Preservative
- Preserved specimen
- Preserved eye drops
- Heart failure with preserved ejection fraction (HFpEF)
External links
- Medical encyclopedia article on Preserved
- Wikipedia's article - Preserved
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