- Jugular vein
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GraySubject = 168
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Caption = The veins of the neck, viewed from in front.
superior vena cava
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The jugular veins are
veins that bring deoxygenated blood from the headback to the heart via the superior vena cava.
Internal and external
There are two sets of jugular veins: external and internal.
internal jugular veinis formed by the anastomosisof blood from the sigmoid sinusof the dura materand the common facial vein. The internal jugular runs with the common carotid arteryand vagus nerveinside the carotid sheath. It provides venous drainage for the contents of the skull.
external jugularruns superficially to sternocleidomastoid.
Both connect to the brachocephalic veins, the external jugular joining more laterally than the internal. The brachicephalic veins then join the
subclavian veinsfrom both sides then join to form the superior vena cava. [ [http://www.medterms.com/script/main/art.asp?articlekey=9187 Jugular vein definition - Medical Dictionary definitions of popular medical terms easily defined on MedTerms ] ]
There is also another, minor, jugular vein, the
anterior jugular vein, draining the submaxillary region.
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