Structure and function of the liver
The Liver – the largest gland in the human body, which is composed entirely of parenchymatous tissue (the parenchyma of the liver consists of cells-hepatocytes) and does not contain a cavity. Is the liver in the abdomen, right upper quadrant. The basis of the parenchyma of the liver-lobules, between which are located the blood vessels and bile ducts. For bile ducts the bile produced by the liver enters the gall bladder, and thence, through the common bile duct, it gets into the duodenum, pre-uniting with the ducts of the pancreas (thus, the liver disease will certainly affect the General condition of the pancreas).
In the human body the liver performs a very large number of different functions. First and foremost, it is responsible for the neutralization and excretion of toxic products taken into the body. In addition, the liver synthesizes proteins and deposited reserves of glucose transformed into glycogen. And, finally, by the liver produces bile, which is essential for the digestion of fats.
Today liver diseases are not uncommon. This is due to the fact that modern lifestyle, diet and frequent alcohol consumption significantly damage hepatic tissue, which develop diffuse changes of a parenchyma of a liver. Not least is viral lesions, which are often neglected and because of this passed on from person to person. There are a very large number of different methods to the diagnosis of various pathological conditions of the liver. In various diseases of the liver most often used ultrasound examination. Unfortunately, a final diagnosis based only on ultrasound data is impossible, it is necessary to conduct a number of laboratory and instrumental studies.
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Method of ultrasound based on the principles of echolocation, that is, the reflection of sound tissues and visualization of reflected sound on the screen. The appearance of each type of fabric varies due to the different coefficient of reflection of sound, so a specialist is not difficult to determine the size, position and functional state of the studied organs, including diffuse changes of a parenchyma of a liver. Unfortunately, in most cases, cannot differentiate the identified with the help of ultrasound changes, which requires a number of other studies focused on detail and recognition of the identified changes.
Diffuse changes of a parenchyma of liver
Liver Tissue in norm is a homogeneous slaboalkogolnye structure, among which is seen the bile ducts and blood vessels with increased echogenicity. Diffuse changes of a parenchyma of the liver suggests that liver tissue is completely changed. Such changes are characteristic for the minor functional changes and very heavy defeats (parenchyma with increased echogenicity of the liver). Therefore, it is necessary to conduct additional research. You first need to conduct a full laboratory study, which will determine how damaged the liver. In addition to the study of the liver studied state relavistic ways, pancreas, duodenum and, if there is a need, all of the digestive system.
Changes of the liver parenchyma due to appear such diseases as viral hepatitis, alcoholic hepatitis, fatty liver, various metabolic diseases of the liver. When fatty degeneration of the liver, the size of its increase, and the echogenicity of the structures increases. If the liver is enlarged slightly and a slight increase in echogenicity, this may indicate chronic hepatitis (occur this disease can variety of reasons, ranging from alcohol and ending with viral infections). To determine the true cause of the disease requires a number of additional methods.
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Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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