k for The Human Body: Concepts of Anatomy and Physiology 330 Student Noteboo rec
ID: 3522891 • Letter: K
Question
k for The Human Body: Concepts of Anatomy and Physiology 330 Student Noteboo receive correct information about her pancreas? Explain. You may need to retresh your of the endocrine role of the pancreas from Chapter 10. diabetes mellitus and has heard that her pancreas does not work at all Did Liver it is also critically important for its superior to it. Although it is an accessory organ of the digestive system, roles in metabolism and regulation. The liver is located on the upper right side of the abdominal cavity; it presses against the diaphragm sitting Structure of the Liver The liver is enclosed by fibrous connective tissue that divides it into two main sections: right lobe and separates the right and left lobes and suspends the smaller left lobe. The liver from the diaphragm and anterior abdominal wall. How is the lesser omentum attached to the liver? Lobule Organization Liver lobules are the structural and functional subunits of the liver. . Hepatocytes are liver cells that are arranged in columns toward a central vein. These columns are separated from adjacent columns by channels, called sinsesoids, lined with endothelial cells. Hepatocytes secrete . Sinusoids are filled with blood received from the hepatic artery and the hepatic portal vein. The blood passes through the sinusoids and drains into the central vein. Phagocytic cells known as cells remove bacteria traveling in the blood from the digestive tract Bile Flow . Bile canaliculi are tiny tubes that run parallel to the they carry bile. . Bile is a yellowish green fluid secreted by the hepatocytes. Bile contains water, bile salts, bile pigments (billverdin and bilirubin), cholesterol, and electrolytes. The bile salts and bile pigments are breakdown products of particpant in the preparation of fats for chemical digestion? blood cell destruction. What part of bile is the only active Bile is carried from bile canaliculi in the opposite direction to blood flowing through the sinusoids. Blood flows to the central vein. Bile flows away from the central vein. .Hepatic duct is a larger duct that collects bile and emerges from the ystic duct collects ble stored in the gallbladder. The cystic duct unites with the hepatic duct to form the common bile duct. Common bile duct is formed from the union of theduct and duct. Hepatopancreatic ampulla is a small tube formed from the union of the duct and the intestine. duct. This tube unites with the duodenum of the small TIP! Think of the organization of the lobules of hepatocytes sinusoids, and tire.The lobules of hepatocytes are arranged like the spokes of the tire around the central vein Blood flows toward the central vein. Bile,however, flows away from the central vein.Use the plentiful clues central vein as a bicycle to help you keep the pathway of bile straight. Cystic means"bladder"while hepatic means "liverExplanation / Answer
The falciform ligament separates the right and left lobes and suspends the liver from the diaphragm and anterior abdominal wall.
Lesser omentum is the double layer of peritoneum which encloses the liver and connects the porta hepatis to the lesser curvature of the stomach and the first part of duodenum.
Hepatocytes synthesise and secrete bile.
Phagocytic cells known as Kupffer cells remove bacteria travelling in the blood from the digestive tract.
Bile canaliculi are tiny tubes that run parallel to the liver sinusoid
The bile salts and bile pigments are breakdown products of red blood cell destruction (mainly haemoglobin)
The bile salts are the only active participants in the preparation of fats for chemical digestion.
Hepatic duct is a larger duct that collects bile and emerges from the liver.
Common bile duct is formed from the union of the hepatic duct and the cystic duct from the gallbladder.
Hepatopancreatic ampulla is a small tube formed from the union of the common bile duct and the pancreatic duct.
The result of emulsification is an increase in the surface area of lipid droplet, exposing it to the action of lipid splitting enzymes. The enzymes can thereby digest the lipid molecules more effectively.
Bile salts promote the absorption of vitamins A,D,E and K across the lining in the small intestine.
The two hormones secreted by the pancreas the regulate blood sugar levels are insulin and glucagon.
HDLs are beneficial lipoproteins because they are used in cell repair and growth.
vLDLs come from the liver and transport triglycerides made in the liver to adipose tissue for storage.
Amino acids are necessary for the synthesis of haemoglobin in red blood cells, plasma proteins, numerous other body proteins and vitamins.
The liver stores glycogen ; vitamins A,D, and B12; and iron.
Kupffer cells in the liver destroy and remove worn-out red blood cells, bacteria, and other debris by phagocytosis.
Hepatocytes detoxify harmful substances in the bloodstream (such as alcohol and medications,especially acetaminophen)
If the hepatocytes are unable to change a substance's harmful form they will store the toxins in their cytoplasm.
The storage of toxins may cause chronic liver diseases including cirrhosis, in which hepatocytes are permanently replaced by fatty scar tissue, and hepatic carcinoma, or liver cancer, both of which lead to liver failure.
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