Restriction
Restriction
Restriction (/rɪˈstrɪkʃən/) is a term used in various fields of medicine to denote a limitation or constraint in the normal functioning or activity of an organ, tissue, or process.
Etymology
The term 'restriction' is derived from the Latin word 'restrictio', which means 'a holding back'.
In Genetics
In the field of Genetics, restriction refers to the process of cutting DNA at specific sites, carried out by Restriction Enzymes. These enzymes recognize specific sequences in the DNA and cut it at those points, creating Restriction Fragments.
In Pulmonology
In Pulmonology, restriction is a term used to describe a decrease in lung volume caused by disease conditions that affect the lung parenchyma directly. This results in a decreased total lung capacity. Diseases that cause restrictive lung disease include Interstitial Lung Disease, Pneumonia, and Pulmonary Fibrosis.
In Cardiology
In Cardiology, restriction refers to restrictive cardiomyopathy, a condition where the walls of the heart are rigid, and the heart is restricted from stretching and filling with blood properly. This can lead to heart failure.
In Diet and Nutrition
In the field of Diet and Nutrition, restriction often refers to dietary restriction or limiting the intake of certain foods or nutrients for health reasons. This can include restrictions due to allergies, intolerances, or specific diet plans such as a low-sodium diet for patients with Hypertension.
Related Terms
- Restriction Enzymes
- Restriction Fragments
- Restriction Mapping
- Restrictive Lung Disease
- Restrictive Cardiomyopathy
- Dietary Restriction
External links
- Medical encyclopedia article on Restriction
- Wikipedia's article - Restriction
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