It is beneath the diaphragm and on top of the stomach, right kidney, and intestines. The liver has many functions. Click Image to Enlarge. The liver has 2 main sections lobes. Both are made up of 8 segments. Blood by-products are filtered out by the kidneys, and leave the body in the form of urine.
Health Home Conditions and Diseases. Liver: Anatomy and Functions Share on Facebook Share on Twitter Share on Linkedin Share on Pinterest Share via Email Print this Page Liver Gallbladder and Pancreas Anatomy of the liver The liver is located in the upper right-hand portion of the abdominal cavity, beneath the diaphragm, and on top of the stomach, right kidney, and intestines. Shaped like a cone, the liver is a dark reddish-brown organ that weighs about 3 pounds.
Functions of the liver The liver regulates most chemical levels in the blood and excretes a product called bile. Some of the more well-known functions include the following: Production of bile, which helps carry away waste and break down fats in the small intestine during digestion Production of certain proteins for blood plasma Production of cholesterol and special proteins to help carry fats through the body Conversion of excess glucose into glycogen for storage glycogen can later be converted back to glucose for energy and to balance and make glucose as needed Regulation of blood levels of amino acids, which form the building blocks of proteins Processing of hemoglobin for use of its iron content the liver stores iron Conversion of poisonous ammonia to urea urea is an end product of protein metabolism and is excreted in the urine Clearing the blood of drugs and other poisonous substances Regulating blood clotting Resisting infections by making immune factors and removing bacteria from the bloodstream Clearance of bilirubin, also from red blood cells.
The intermediate branch of hepatic artery is one of the smaller arterial segments that provides blood supply to the internal structures of the liver….
The hepatic artery proper splits off the common hepatic artery. For part of its course, it runs near the portal vein and the common bile duct. The hepatic veins carry oxygen-depleted blood from the liver to the inferior vena cava. They also transport blood that has been drained from the colon,. The liver is divided into two lobes by the middle hepatic vein: the right lobe of liver and the left lobe of liver.
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Medically reviewed by Alana Biggers, M. What is the structure of the liver? Diagram of the liver. Use this interactive 3-D diagram to explore the liver:. What is the purpose of the liver? These include: breaking down or converting substances extracting energy making toxins less harmful to the body and removing them from the bloodstream The liver does this by receiving blood with nutrients from the digestive organs via a vein known as the portal vein.
They act as little sorting centers, determining: which nutrients should be processed what should be stored what should be eliminated via the stool what should go back to the blood The liver stores vitamins as well as minerals such as copper and iron, releasing them if the body needs them. The liver also breaks down alcohol in the blood as well as many medications you take. How does the liver regenerate? What diseases can develop in the liver?
Cirrhosis Cirrhosis is a condition where scar tissue replaces healthy liver tissue. Hemochromatosis This condition causes an excess of iron to build up in the body. Hepatic Artery : The main blood vessel that supplies the liver with oxygenated blood.
Hepatic Portal Vein : The blood vessel that carries blood from the gastrointestinal tract, gallbladder, pancreas, and spleen to the liver. Lobes : The anatomical sections of the liver. Lobules : Microscopic building blocks of the liver. Peritoneum : A membrane covering the liver that forms the exterior. Maintaining a Healthy Liver The best way to avoid liver disease is to take active steps toward a healthy life.
The following are some recommendations that will help keep the liver functioning as it should: Avoid Illicit Drugs : Illicit drugs are toxins that the liver must filter out. Taking these drugs can cause long-term damage. Drink Alcohol Moderately : Alcohol must be broken down by the liver. While the liver can moderate amounts, excessive alcohol use can cause damage. Exercise Regularly : A regular exercise routine will help promote general health for every organ, including the liver.
Eat Healthy Foods : Eating excessive fats can make it difficult for the liver to function and lead to fatty liver disease.
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