Vasodilatation
Vasodilatation
Vasodilatation (pronounced: vaso-dila-tation) is a term used in medicine to describe the widening of blood vessels. It results from relaxation of smooth muscle cells within the vessel walls, particularly in the large veins, large arteries, and smaller arterioles.
Etymology
The term "vasodilatation" is derived from the Latin 'vaso' meaning vessel and 'dilatare' meaning to spread out or dilate.
Process
Vasodilatation is the end result of a complex process that involves various hormones, neurotransmitters, and other signaling molecules. It is an essential process in the body that helps to regulate blood pressure and blood flow to different organs and tissues.
Related Terms
- Vasoconstriction: The narrowing of blood vessels, which is the opposite of vasodilatation.
- Endothelium: The thin layer of cells that lines the interior surface of blood vessels, which plays a key role in vasodilatation.
- Nitric Oxide: A molecule that plays a significant role in vasodilatation.
- Hypotension: A condition often associated with excessive vasodilatation.
See Also
External links
- Medical encyclopedia article on Vasodilatation
- Wikipedia's article - Vasodilatation
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