Hepar is generally located in the right hypochondriac region and epigastric region, most of them are costal arch cover. Only in the abdominal area and right costal arch asked a fraction of exposed and are in direct contact with the anterior abdominal wall, Hepar and the upper part of the neurological and anterior abdominal wall is connected. From the point of view of body surface projection, the Hepar margin in the right midclavicular line the fifth rib; Hepar margin in the right side of the midline of right monium bone, which is consistent with the right costal arch. Some think, if in the adult Hepar costal arch is palpable, many pathological hepatomegaly. The position of the lower edge of the Hepar is generally lower, and the small part is normal.
The location of the Hepar can be changed with the breathing, the general calm breathing when the lift up to 2 ~ 3cm, standing breathing slightly decreased, supine breathing when a slight rise.
How big is the human body?
Normal Hepar of human body is reddish brown, soft texture, weight of about 2% of body weight. According to statistics, China’s adult Hepar weight, the male is 1157 ~ 1447g, the female is 1 029-1379g, the most weight is about 2000g, the length, width, thickness of Hepar is about 25 2cm. 15 8cm. 5 8cm.
What are the other physiological functions of the Hepar?
(I) function of the secretion and discharge of bile. Hepar in 24 hours can produce about 1 liters of bile, the bile duct transported to the gallbladder, gallbladder from the function of concentration and discharge of bile, bile can promote the digestion and absorption of fat in the small intestine.
(2) detoxification function. Toxic substances produced by foreign or in vivo metabolism, which are required to be toxic to the Hepar and thus degrade into non-toxic or soluble substances, and then excreted in bile or urine.
(3) immune function. The Hepar is a human immune defense system turned to organs. Mononuclear macrophage 90% exists in the Hepar, can swallow leisure all sorts of bacteria, viruses, and some proinflammatory cytokines, intrahepatic some cells also secrete “cell factor” and “hasten factor, can play a local immune regulation. Hepar disease, the body will lose some immune function, infection caused by a variety of opportunities will increase.
(4) the function of the blood. The Hepar is the main hematopoietic organ in the fetus, and it is replaced by the bone marrow in the adult, and the function of blood is stopped, but the function can be recovered in some pathological conditions. In addition, almost all of the clotting factors are synthesized by the Hepar. The Hepar plays an important role in maintaining the dynamic balance of the two systems of human blood coagulation and anticoagulation. So the severity of Hepar function damage is parallel to the degree of blood coagulation disorders, Hepar function failure often occurs severe bleeding.