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Subclavian vein
 
 
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In human anatomy
Human anatomy

Human anatomy, which, with physiology and biochemistry, is a complementary basic medical science is primarily the scientific study of the morphology of the adult human body....
, the subclavian veins are two large vein
Vein

In the circulatory system, veins are blood vessels that carry blood toward the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary vein and umbilical veins, both of which carry oxygenated blood....
s, 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.

subclavian vein is a continuation of the axillary vein
Axillary vein

In human anatomy, the axillary vein is a large blood vessel that conveys blood from the anatomical terms of location aspect of the thorax, axilla and upper limb toward the heart....
 and runs from the outer border of the first rib
First rib

The first rib is the most curved and usually the shortest of all the ribs; it is broad and flat, its surfaces looking upward and downward, and its borders inward and outward....
 to the medial
Anatomical terms of location

Standard anatomical terms of location are employed in sciences dealing with the anatomy of animals to avoid ambiguities which might otherwise arise....
 border of anterior scalene muscle
Scalene muscles

The scalene muscles are a group of three pairs of muscles in the lateral neck, namely the scalenus anterior, scalenus medius, and scalenus posterior....
.

From here it joins with the internal jugular vein
Internal jugular vein

The two internal jugular veins collect the blood from the brain, the superficial parts of the face, and the neck....
 to form the brachiocephalic vein
Brachiocephalic vein

The left and right brachiocephalic veins in the upper chest are formed by the union of each corresponding internal jugular vein and subclavian vein....
 (also known as "innominate vein").






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In human anatomy
Human anatomy

Human anatomy, which, with physiology and biochemistry, is a complementary basic medical science is primarily the scientific study of the morphology of the adult human body....
, the subclavian veins are two large vein
Vein

In the circulatory system, veins are blood vessels that carry blood toward the heart. Most veins carry deoxygenated blood from the tissues back to the heart; exceptions are the pulmonary vein and umbilical veins, both of which carry oxygenated blood....
s, 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
Axillary vein

In human anatomy, the axillary vein is a large blood vessel that conveys blood from the anatomical terms of location aspect of the thorax, axilla and upper limb toward the heart....
 and runs from the outer border of the first rib
First rib

The first rib is the most curved and usually the shortest of all the ribs; it is broad and flat, its surfaces looking upward and downward, and its borders inward and outward....
 to the medial
Anatomical terms of location

Standard anatomical terms of location are employed in sciences dealing with the anatomy of animals to avoid ambiguities which might otherwise arise....
 border of anterior scalene muscle
Scalene muscles

The scalene muscles are a group of three pairs of muscles in the lateral neck, namely the scalenus anterior, scalenus medius, and scalenus posterior....
.

From here it joins with the internal jugular vein
Internal jugular vein

The two internal jugular veins collect the blood from the brain, the superficial parts of the face, and the neck....
 to form the brachiocephalic vein
Brachiocephalic vein

The left and right brachiocephalic veins in the upper chest are formed by the union of each corresponding internal jugular vein and subclavian vein....
 (also known as "innominate vein"). The angle of union is termed the venous angle.

The subclavian vein follows the subclavian artery
Subclavian artery

In human anatomy, the subclavian artery is a major artery of the upper thorax that mainly supplies blood to the head and arms. It is located below the collar bone, hence the name....
 and is separated posteriorly
Anatomical terms of location

Standard anatomical terms of location are employed in sciences dealing with the anatomy of animals to avoid ambiguities which might otherwise arise....
 by the insertion of anterior scalene.

Lymph

The thoracic duct
Thoracic duct

In human anatomy, the thoracic duct is an important part of the lymphatic system—it is the largest lymphatic vessel in the body. It is also known under various other names including the alimentary duct, chyliferous duct, duct of Pecquet, the left lymphatic duct and Van Hoorne's canal....
 drains into the left subclavian vein, near its junction with the left internal jugular vein
Internal jugular vein

The two internal jugular veins collect the blood from the brain, the superficial parts of the face, and the neck....
.

It carries lymph
Lymph

Lymph is the fluid that is formed as the interstitial fluid. It enters the lymph vessels by filtration. The lymph then travels to at least one lymph node before emptying ultimately into the right or the left subclavian vein, where it mixes back with blood....
 (water and solutes) from the lymphatic system
Lymphatic system

The lymphatic system in vertebrates is a network of conduits that carry a clear fluid called lymph. It also includes the lymphoid tissue through which the lymph travels....
, as well as chylomicrons or chyle
Chyle

Chyle is a milky fluid consisting of lymph and emulsified fats, or free fatty acids . It is formed in the small intestine during digestion of ingested fatty foods and taken up by lymph vessels specifically known as lacteals, unlike other components of digested food that are conveyed by veins....
, 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
Clavicle

In human anatomy, the clavicle or collar bone is classified as a flat bone that makes up part of the shoulder girdle . It receives its name from the Latin clavicula because the bone rotates along its axis like a key when the shoulder is Abduction ....
.

See also

  • central venous catheter
    Central venous catheter

    In medicine, a central venous catheter is a catheter placed into a large vein in the neck , chest or groin . It is used to administer medication or fluids, obtain blood tests , and directly obtain cardiovascular measurements such as the central venous pressure....


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