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LIver
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- 1Name the functions of the LiverCARBOHYDRATE METABOLISM - Stores glucose as glycogen and manufactures glucose from other substances.
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PROTEIN METABOLISM - Amino acids can be broken down which leaves ammonia (acid), Liver changes this to urea.
Protein Synthesis
Transanimation of amino acids
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LIPID METABOLISM - Storage of fats and their metabolism to supply energy.
Synthesis of Cholesterol.
Manufacture of Lipoproteins.
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METABOLISM OF HORMONES AND DRUGS - Lessens the effect of both.
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BILIRUBIN - break down of old red blood cells.
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STORAGE - Glycogen, minerals and vitamins. - 2Describe the Liver's blood flow.Entering the liver
Hepatic Artery - oxygenated blood form heart.
Portal Vein - Nutrient rich from the intestines.
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Leaving the liver
Hepatic Vein - towards the lungs. - 3Describe the structure and function of the Hepatic lobule.Shaped as a hexagon, at each corner there are
PORTAL TRIADS - portal vein, hepatic vein and hepatic duct.
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Inside the Hepatic Lubule are HEPATOCYTES - they extra nutrients for storage or metabolism.
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KUPFFER CELLS destroy old blood cells, bacteria and the foreign particles and debris.
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In the center in the HEPATIC VEIN. - 4Descibe the function of the Gallbladder.Bile leaves the left and right HEPATIC DUCTS to the COMMON HEPATIC DUCT and is stored in the GALLBLADDER. Once the presence on chyme is detected the Gallbladder contracts and the bile travels through the COMMON BILE DUCT and in to the DUODENUM where FATS ARE EMULSIFIED AND THE ACID OF THE CHYME IS NEUTRALIZED.
- 5What are the diseases of the Liver?HEP A - food and water
HEP B - blood and sex
HEP C - infected blood
CIRRHOSIS
LIVER CANCER - 6Describe CirrhosisScar tissue replaces the health liver tissue. The blood pressure in the blood vessels supplying the liver increases and the absorption of of nutrients - malnutrition.
The liver also becomes less effective in removing toxic waste from the blood. - 7What are the symptoms of liver disease?JAUNDICE
Skin and yellow of he eyes takes on a yellowish colour.
Accumulation of bilirubin and bile pigments in the skin.
Stool is pale and clay coloured.
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ENLARGED LIVER AND SWOLLEN ABDOMEN
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NAUSEA/VOMITING
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WEIGHT LOSS
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FATIGUE
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REDUCED ABILITY OF THE BLOOD TO COAGULATE - EXCESSIVE BLEEDING AND BRUISING EASILY - 8How is iver disease diagnosed?Blood Test
Liver Function Test - plasma proteins, bilirubin and increased levels of some enzymes. - 9What treatments are availible for liver disease?Altered diet, abstinence from alcohol and meds
Liver transplant.
Información
- Descripción
- Fichas sobre LIver, creado por Andrew Pope el 07/09/2015.
- Creado por
- Andrew Pope
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