Subclavian vein

Subclavian vein

Infobox Vein
Name = PAGENAME
Latin = vena subclavia
GraySubject = 172
GrayPage = 664


Caption = The thyroid gland and its relations. (Right subclavian vein visible at bottom left, left subclavian vein visible at bottom right.)


Caption2 = Diagram showing completion of development of the parietal veins. (Subclavian vein labeled at right, third from top.)
DrainsFrom =
Source = axillary vein, external jugular vein
DrainsTo = brachiocephalic vein
Artery = subclavian artery
MeshName = Subclavian+Vein
MeshNumber = A07.231.908.877
In human anatomy, the subclavian veins are two large veins, one on either side of the body. Its diameter is approximately that of a man's small finger. It is divided into right and left subclavian vein.

Path

Each subclavian vein is a continuation of the axillary vein and runs from the outer border of the first rib to the medial border of anterior scalene muscle.

From here it joins with the internal jugular vein to form the brachiocephalic vein (also known as "innominate vein"). The angle of union is termed the venous angle.

The subclavian vein follows the subclavian artery and is separated posteriorly by the insertion of anterior scalene.

Lymph

The thoracic duct drains into the left subclavian vein, near its junction with the left internal jugular vein.

It carries lymph (water and solutes) from the lymphatic system, as well as chylomicrons or chyle, formed in the intestines from dietary fat and lipids.

Etymology

The term "subclavian" can be broken down to: sub= below, and clavian= pertaining to the clavicle.

ee also

*central venous catheter


=Additional

External links

*


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Look at other dictionaries:

  • subclavian vein — n the proximal part of the main vein of the arm that is a continuation of the axillary vein and extends from the level of the first rib to the sternal end of the clavicle where it unites with the internal jugular vein to form the brachiocephalic… …   Medical dictionary

  • subclavian vein — noun a continuation of the axillary vein; joins the internal jugular to form the brachiocephalic vein • Syn: ↑vena subclavia • Hypernyms: ↑vein, ↑vena, ↑venous blood vessel * * * noun : the proximal part of the main vein of …   Useful english dictionary

  • subclavian vein — noun Date: 1704 the proximal part of the main vein of the arm or forelimb …   New Collegiate Dictionary

  • subclavian vein — the vein carrying blood from the pectoral fin to the cardinal system …   Dictionary of ichthyology

  • subclavian vein — subcla′vian vein′ n. anat. either of a pair of large veins that return blood from the arms • Etymology: 1760–70 …   From formal English to slang

  • subclavian vein — Anat. either of a pair of veins, one on each side of the body, that return blood from the arms to the heart. [1760 70] * * * …   Universalium

  • Subclavian triangle — Subclavian triangle …   Wikipedia

  • subclavian groove — n. either of two grooves in the first rib, one for the main artery (subclavian artery) and the other for the main vein (subclavian vein) of the arm * * * …   Universalium

  • subclavian groove — n. either of two grooves in the first rib, one for the main artery (subclavian artery) and the other for the main vein (subclavian vein) of the arm …   English World dictionary

  • subclavian — [sub klā′vē ən] adj. situated under the clavicle n. a subclavian vein, artery, etc …   English World dictionary

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