文章目录一、肝脏胆汁分泌时间1. 肝脏胆汁分泌的时间2. 什么是胆汁3. 肝脏胆汁的分泌过程是怎样的二、肝脏胆汁有成份是什么三、肝脏分泌胆汁有什么作用肝脏胆汁分泌时间1、肝脏胆汁分泌的时间胆汁平时一直在慢慢分泌的,贮存在胆囊中,进食后则排出的,当然,进食后分泌也明显增加的,平时分泌的少的。
Contents 1. The time of liver bile secretion 1. The time of liver bile secretion 2. What is bile 3. What is the process of liver bile secretion 2. What are the components of liver bile 3. What is the function of liver bile secretion? 1. The time of liver bile secretion 1. Bile secretion time of liver is usually slowly secreted, stored in the gallbladder and excreted after eating. Of course, After eating, the secretion is also significantly increased, usually less secretion.
The liver produces bile from substances that the body does not need.
Bile is the digestive fluid that helps to absorb lipids and fat soluble vitamins.
Bile is a special body fluid flowing in the bile duct, which is secreted by the liver, not produced by the stomach, and stored in the gallbladder.
The process of bile production is very complex. The bile produced by the liver is called hepatobiliary juice.
The liver continuously produces bile, with a daily output of about 100-200ml. It varies with people's activities, the quality and quantity of diet, and the amount of drinking water. The liver produces much more bile during meals than usual.
The components of bile can be divided into two categories: water, inorganic salts and so on can freely pass through the liver cell membrane.
The concentration of them in bile is close to that in plasma; the other is macromolecular substances, such as bilirubin, cholic acid, cholesterol, protein, lecithin, fatty acid, etc., which are not water-soluble, need to go through a binding process in the liver cells to become water-soluble before they can be discharged into the capillary bile duct through the cell membrane of liver cells.
No matter what causes biliary obstruction, the amount of bile secretion will decrease with the increase of pressure.
When the pressure reached 300 mmh2o, bile secretion stopped.
Bilirubin through the liver cells and back to the blood circulation, patients with skin sclera, yellow staining and other phenomena.
3.2. Store and concentration from left and right hepatic duct to hepatic duct to cystic duct and then to gallbladder when not eating.
3.5. The bile from the non digestive period is discharged into the bile duct, interlobular bile duct, left hepatic duct (or right duct), common hepatic duct and cystic duct into the gallbladder and temporarily stored in the gallbladder.
Bile salt can enhance the activity of pancreatic lipase, emulsify fat into droplets, increase the contact area between fat and enzyme, and facilitate the digestion of lipase.
Bile pigment does not participate in the process of digestion and is excreted with feces and urine.
If the secretion of cholesterol is too much, or the content of bile salt is reduced, it can lead to cholesterol deposition, which is one of the reasons for the formation of gallstones.
What effect does liver secrete bile have? The acid in bile absorbs fat and vitamin.
Without fat and vitamins, no human cell can function properly.
Bile salt is the necessary vehicle for the water-insoluble fat hydrolysate to reach the surface of intestinal mucosa, which is of great significance for the absorption of fat digestion products.
Bile can also promote the absorption of fat soluble vitamins (vitamin A, D, e, K) by promoting the absorption of fat decomposition products.
Bile can promote the absorption of iron and calcium in the gastrointestinal tract and prevent the occurrence of bile deficiency anemia. Bile is the most effective cholagogic agent. After bile enters the intestinal tract, bile salt is absorbed and carried to the liver through the blood. The absorbed bile salt can stimulate liver cells to produce new bile salts and promote the secretion of bile.
The pH of bile is 7.4, which is a weak alkaline secretion. It can neutralize gastric acid, avoid the excessive stimulation of gastric acid on gastrointestinal mucosa and prevent the occurrence of gastric and duodenal ulcer.
In addition, bile can activate trypsin, which can be converted into trypsin and promote the digestion and absorption of protein.
文章目录一、肝脏胆汁分泌时间1. 肝脏胆汁分泌的时间2. 什么是胆汁3. 肝脏胆汁的分泌过程是怎样的二、肝脏胆汁有成份是什么三、肝脏分泌胆汁有什么作用肝脏胆汁分泌时间1、
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