From the body surface projection, the upper boundary of the liver is at the fifth rib of the right clavicle line, and the right axillary line is at the sixth rib. The lower edge of the liver is consistent with the front edge of the liver, starting from the lowest point of the costal arch, rising to the left along the lower edge of the right costal arch, leaving the costal arch at the junction of the eighth and ninth costal cartilages, obliquely upward to the left, reaching the anterior midline, and reaching the junction of the left costal arch and the seventh and eighth costal cartilages.
It is generally believed that when the upper boundary of adult liver is in a normal position, if the liver is touched under the costal arch, it is mostly pathological hepatomegaly.
In addition, the normal liver is reddish brown and soft. The weight of an adult's liver is equivalent to 2% of the body weight. According to statistics, the liver weight of adults in China is1157-1447g for males and 1029- 1379g for females, and the heaviest can reach about 2000g. The length, width and thickness of the liver are about 5.8cm and 65438 respectively.
Extended data:
function
The liver is the liver. Located in the upper right of the abdomen, it plays an important role in maintaining life. It is also the largest internal organ of the human body.
The main function of the liver is to secrete bile, store glycogen and regulate the metabolism of protein, fat and carbohydrate. It also has detoxification, hematopoiesis and blood coagulation effects.
The liver is also the largest detoxification organ in the human body. Poisons and wastes produced in the body, edible poisons, drugs harmful to the liver, etc. You must also rely on the liver to detoxify.
The liver decomposes toxic substances absorbed by the intestine or made by other parts of the body, and then secretes them into bile or blood in the form of harmless substances and then excretes them.
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