Jugular veins
Jugular Veins
The Jugular Veins (/ˈdʒʌɡjʊlər/; from Latin jugulum meaning throat) are veins that take deoxygenated blood from the head back to the heart via the superior vena cava.
Anatomy
There are two sets of jugular veins: the internal jugular vein and the external jugular vein. They are the major veins that return blood from the head and neck. The internal jugular vein collects blood from the brain, the superficial parts of the face, and the neck. The external jugular vein collects most of the blood from the outside of the skull and the deep parts of the face.
Function
The jugular veins are part of the venous system, which is responsible for carrying deoxygenated blood and waste products from the body's tissues back to the heart. The jugular veins, specifically, carry blood from the head and neck back to the heart for reoxygenation and recirculation.
Clinical Significance
The jugular veins, particularly the internal jugular vein, can be used as a route for medical interventions such as the insertion of a central venous catheter. The jugular venous pressure (JVP) is an important marker of heart function and fluid status, and can be assessed by observing the pulsations of the internal jugular vein.
Related Terms
- Venous system
- Internal jugular vein
- External jugular vein
- Superior vena cava
- Central venous catheter
- Jugular venous pressure
External links
- Medical encyclopedia article on Jugular veins
- Wikipedia's article - Jugular veins
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