Subclavian vein

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Vein: Subclavian vein
The thyroid gland and its relations. (Right subclavian vein visible at bottom left, left subclavian vein visible at bottom right.)
Diagram showing completion of development of the parietal veins. (Subclavian vein labeled at right, third from top.)
Latin vena subclavia
Gray's subject #172 664
Source axillary vein
Drains to brachiocephalic vein
Artery subclavian artery
MeSH Subclavian+Vein

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.

Contents

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.

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 dietery fat and lipids.

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

Peculiar ribs.

The venæ cavæ and azygos veins, with their tributaries.

The thoracic and right lymphatic ducts.

The thymus of a full-time fetus, exposed in situ.

v • d • e
Veins of the torso
Coronary coronary sinus (great cardiac, left marginal, small cardiac, middle cardiac, posterior of the left ventricle, oblique of the left atrium) • anterior cardiac (right marginal) • pulmonary
Thorax/
SVC		 brachiocephalic: inferior thyroid - thymic - internal thoracic (anterior intercostal, superior epigastric) - left superior intercostal - supreme - vertebral - internal jugular - subclavian (axillary: lateral thoracic, thoracoepigastric) - pericardiacophrenic
azygos: right superior intercostal - bronchial - intercostal/posterior intercostal 5-11 - accessory hemiazygos/hemiazygos - superior phrenic
Vertebral column vertebral venous plexuses (external, internal) • spinal (posterior, anterior) • basivertebral • intervertebral
Abdomen/
IVC		 to IVC (some to renal vein on left): inferior phrenic - hepatic - suprarenal - renal - gonadal (ovarian ♀/testicular ♂, pampiniform plexus ♂) - lumbar - common iliac
to azygos system: ascending lumbar (subcostal)
Pelvis/common iliac median sacral vein

external iliac: inferior epigastric - deep circumflex iliac vein

internal iliac - posterior: iliolumbar - superior gluteal - lateral sacral

internal iliac - anterior: inferior gluteal - obturator - uterine ♀ (uterine plexus ♀) - vesical (vesical plexus, prostatic plexus ♂, deep of penis ♂/clitoris ♀, posterior scrotal ♂/labial ♀) - vaginal plexus/vein ♀ - middle rectal - internal pudendal (inferior rectal, bulb of penis ♂/vestibule ♀) - rectal plexus
Portal system/
portal vein		 splenic: short gastric - left gastroepiploic - pancreatic - inferior mesenteric (superior rectal, left colic)

superior mesenteric: right gastroepiploic - pancreaticoduodenal - jejunal - ileal - middle colic - right colic - ileocolic (appendicular)

direct (cystic, left gastric/esophageal, right gastric, paraumbilical)
fetal ductus venosus • umbilical
 This cardiovascular system article is a stub. You can help Wikipedia by expanding it.
Retrieved from "http://en.wikipedia.org/wiki/Subclavian_vein"
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