Natriuretic
Natriuretic
Natriuretic (pronunciation: na·tri·u·ret·ic, /ˌnātrēəˈretik/) is a term used in medicine to describe any substance that promotes the excretion of sodium in the urine. This process is known as natriuresis.
Etymology
The term "natriuretic" is derived from the Latin "natrium", meaning sodium, and the Greek "ouretikos", meaning to urinate.
Types of Natriuretic Peptides
There are three main types of natriuretic peptides:
- Atrial Natriuretic Peptide (ANP): This is produced and released by the atria of the heart when there is an expansion of atrial blood volume.
- Brain Natriuretic Peptide (BNP): This is produced and released by the ventricles of the heart in response to changes in pressure that occur when heart failure develops and worsens.
- C-type Natriuretic Peptide (CNP): This is produced in a variety of tissues throughout the body and has important local effects on cell growth and tissue repair.
Function
Natriuretic peptides are hormones that are produced by the heart and blood vessels. They help to regulate how much sodium the body excretes, and they also help to control blood pressure. When the heart is working harder than usual, it produces more natriuretic peptides.
Related Terms
- Diuretic: A substance that promotes diuresis, the increased production of urine.
- Hypertension: A condition in which the force of the blood against the artery walls is too high.
- Heart Failure: A condition in which the heart can't pump enough blood to meet the body's needs.
External links
- Medical encyclopedia article on Natriuretic
- Wikipedia's article - Natriuretic
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