Anatomy Vena Cava

The function of the inferior vena cava is carrying de oxygenated blood also known as dark blood which is blood that has had all oxygen removed from it and has a dark bluish purple color. The superior vena cava svc also known as the cava or cva is a short but large diameter vein located in the anterior right superior mediastinum.

Anatomy Of The Abdominal Aorta And Inferior Vena Cava

De oxygenated blood means most of the oxygen has been removed by tissues and therefore the blood is darker.

Anatomy vena cava. The inferior vena cava also known as ivc or the posterior vena cava is a large vein that carries blood from the torso and lower body to the right side of the heart. The anterior vena cava also known as the precava drains the head end of the body while the posterior vena cava or postcava drains the tail or rear end. The inferior vena cava is a large vein that carries de oxygenated blood from the lower body to the heart.

Although the vena cava is very large in diameter its walls are incredibly thin due to the low pressure exerted by venous blood. The superior vena cava delivers blood from the head and chest area to the heart while the inferior vena cava returns blood from the lower body regions to the heart. The superior vena cava contains venous blood from the head neck both upper limbs and from structures within the thorax.

This blood comes from the legs and the lower torso of the body. The anatomy of the inferior vena cava can be seen in the picture below. These blood vessels carry oxygen depleted blood from various regions of the body to the right atrium of the heart.

The ivc lies along the right anterolateral aspect of the vertebral column and passes through the central tendon of the diaphragm around the t8 vertebral level. The inferior vena cava empties into the right atrium of the heart. Anatomically this usually occurs at the l5 vertebral level.

It collects blood from veins serving the tissues inferior to the heart and returns this blood to the right atrium of the heart. Vena cava in air breathing vertebrates including humans either of two major trunks the anterior and posterior venae cavae that deliver oxygen depleted blood to the right side of the heart. Its latin name is related to its large pipe appearance in cadavers cava meaning hollow.

The inferior vena cava is the largest vein in the human body. At the level of t4 the superior vena cava receives the azygous vein which drains the upper lumbar region and thoracic wall. The venae cavae are the two largest veins in the body.

From there the blood is pumped to the lungs to get oxygen before going to the left side of the heart to be pumped back out to the body. The inferior vena cava ivc is a large retroperitoneal vessel formed by the confluence of the right and left common iliac veins. It is formed by the union of the right and left brachiocephalic veins which provide venous drainage of the head neck and upper limbs.

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