The inferior vena cava delivers deoxygenated blood from the lower parts of the body to the right atrium of heart while superior vena cava transports oxygenated blood from upper parts of our body to left atrium. Both these veins play a critical role in allowing efficient circulation and delivery of nutrients throughout our bodies.

What is the inferior vena cava?

(Photo By Internet Archive Book Images on flickr)

Diagram of the human heart

The inferior vena cava (IVC) is a large vein that carries deoxygenated blood from the lower body to the right atrium of the heart. The IVC is located on the right side of the body, below the diaphragm. It is about 8 inches long and 3/4 inch in diameter. The IVC has three main tributaries: the hepatic veins, the renal veins, and the common iliac veins. (The inferior vena cava (IVC) is shown in the picture – No 17)

What is the superior vena cava?

(Photo By Internet Archive Book Images on flickr)

picture showing the anatomy of the human heart

The superior vena cava is a large vein that carries blood from the upper body to the heart. It is located in the chest, behind the breastbone. The inferior vena cava is a smaller vein that carries blood from the lower body to the heart. It is located in the abdomen, on the right side of the body.

How do the inferior and superior vena cava differ?

The inferior and superior vena cava are two large veins in the human body that carry deoxygenated blood from the body back to the heart. The main differences between the inferior and superior vena cava are as follows:

Origin and course: The superior vena cava originates in the upper body and head, and courses downward through the chest to empty into the right atrium of the heart. The inferior vena cava originates in the lower body and legs, and courses upward through the abdomen to empty into the right atrium of the heart.

Size: The superior vena cava is shorter and has a larger diameter than the inferior vena cava. The superior vena cava is approximately 7-8 cm in length and 2.5 cm in diameter, while the inferior vena cava is approximately 2.5-3.5 cm in diameter and 10-11 cm in length.

Tributaries: The superior vena cava receives blood from the head, neck, upper extremities, and thorax, while the inferior vena cava receives blood from the lower extremities, pelvis, and abdomen.

Pressure: The pressure in the superior vena cava is lower than the pressure in the inferior vena cava, as the superior vena cava is located higher up in the body and is closer to the heart.

The inferior and superior vena cava differ in their origin and course, size, tributaries, and pressure, but both play important roles in returning deoxygenated blood to the heart.

What are the implications of these differences?

The superior vena cava is responsible for carrying blood from the upper body to the heart, while the inferior vena cava carries blood from the lower body to the heart. This means that if there is a problem with either one of these veins, it can cause problems in different parts of the body. Additionally, the superior vena cava is a lot larger than the inferior vena cava, so it can carry more blood at one time. This is important because it means that if there is an injury or illness that causes blood loss, the superior vena cava can handle it better than the inferior vena cava.

What is different between inferior and posterior vena cava?

The inferior vena cava is a large vein that carries deoxygenated blood from the lower half of the body to the right atrium of the heart. The posterior vena cava is a smaller vein that carries deoxygenated blood from the upper half of the body to the right atrium of the heart. The main difference between these two veins is their size; the inferior vena cava is much larger than the posterior vena cava. Another difference is that the inferior vena cava carries blood from both sides of the body, while the posterior vena cava only carries blood from the back side of the body. Finally, the inferior vena cava has a valve that prevents backflow of blood, while the posterior vena has no such valve.

How can you tell the difference between SVC and IVC obstruction?

First, SVC obstruction will typically cause more visible swelling in the face and neck than IVC obstruction. Additionally, SVC obstruction is more likely to cause serious respiratory problems like shortness of breath and difficulty breathing, while IVC obstruction is more likely to cause abdominal pain and bloating. Finally, a doctor may be able to hear a “harsh” sound when listening to the chest with a stethoscope in patients with SVC obstruction, while this is not typically seen in patients with IVC obstruction.

What are three differences between aorta and inferior vena cava?

There are three primary differences between the aorta and inferior vena cava:

  1. The aorta is much larger in diameter than the inferior vena cava.
  2. The walls of the aorta are much thicker than those of the inferior vena cava.
  3. The aorta carries oxygenated blood from the heart, while the inferior vena cava carries deoxygenated blood to the heart.

Is inferior vena cava oxygenated or deoxygenated?

The inferior vena cava is responsible for returning deoxygenated blood from the lower half of the body to the right atrium of the heart. The superior vena cava, on the other hand, returns oxygen-rich blood from the upper half of the body to the left atrium.

Is superior vena cava oxygenated or deoxygenated?

The superior vena cava is a large vein that carries deoxygenated blood from the upper body to the right atrium of the heart. The inferior vena cava is a large vein that carries oxygenated blood from the lower body to the right atrium of the heart.

Where does the inferior vena cava carry blood to?

The inferior vena cava is the large vein that carries blood from the lower half of the body to the heart. The superior vena cava is the large vein that carries blood from the upper half of the body to the heart. Both veins are part of the circulatory system.

 

Featured Image By – Injurymap on flickr

Leave a Reply

Your email address will not be published. Required fields are marked *

You May Also Like

What is the difference between heat stroke and heat exhaustion?

Table of Contents Hide TL;DR Heat stroke Vs. Heat exhaustionWhat is heat…

What is the difference between Claustrophobia and Cleithrophobia?

Table of Contents Hide ClaustrophobiaCleithrophobiaClaustrophobia Vs. Cleithrophobia – Key differencesCauses of ClaustrophobiaCauses…

What is the difference between anabolic steroids and corticosteroids?

Table of Contents Hide TL;DR Anabolic Steroids Vs. CorticosteroidsAnabolic SteroidsCorticosteroidsAnabolic Steroids Vs.…