The well-known function of bile acids is to aid in the digestion and absorption of lipids and lipid-soluble nutrients in the intestine. This chapter provides a general overview of bile acid biochemistry and reviews recent discoveries that have advanced the understanding of bile acid metabolism and...
Bile emulsifies lipids to increase the efficiency of lipid digestion and absorption. Once digestion has been completed, the digested nutrients are absorbed into blood vessels and lymphatic vessels within the wall of the small intestine. Peristaltic contractions move chyme through the small intestine ...
What are the functions of each organ of the gastrointestinal tract and of the accessory glands: liver, gallbladder, and pancreas? What is the role of the liver in digestion as well as its role in other physiological process? Describe the role of bile salt ...
These organs are not part of the digestive tract where food pass through, but perform significant role in providing digestive enzymes and emulsifying agent for easier digestion of food molecules.Answer and Explanation: a. Liver is a four-lobed organ responsible...
Mitochondria are dynamic organelles that function in cellular energy metabolism, intracellular and extracellular signalling, cellular fate and stress responses. Mitochondria of the intestinal epithelium, the cellular interface between self and enteric microbiota, have emerged as crucial in intestinal health. ...
Bile acids (BAs) are amphipathic steroid molecules that aid in digestion of dietary lipids, but also function as signaling molecules that profoundly impact metabolism and energy balance by activating the nuclear receptor, farnesoid X receptor (FXR, NR1H4), and a membrane G-protein-coupled receptor...
This chapter describes the normal biochemical processes of intestinal secretion, digestion, and absorption. The digestive system is composed of the gastrointestinal (GI) tract, or the alimentary canal, salivary glands, the liver, and the exocrine pancreas. The principal functions of the gastrointestinal...
Describe the role of bile and lipase in the digestion of lipids. (a) Define mucus. (b) What is its function? Describe the role of bile salt in lipid digestion. Which organ stores bile? What is the function of the liver in digestion?
How are lipids defined? In what type of solvent are they soluble or insoluble? What are their functions in the body? Describe or define the following: Lipid Digestion. Which lipid is mainly used for energy storage? a. waxes b. steroids c. triglycerides d. phospholipids ...
The principal functions of the gastrointestinal tract are assimilation of nutrients and excretion of the waste products of digestion. Within the gastrointestinal tract, these substances are solubilized and degraded enzymatically to simple molecules, sufficiently small in size and in a form that permits ...