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What are chylomicrons?
Yes, so you now know that chylomicrons are basically lipoprotein molecules which are water miscible. They are poured into lymphatic vessels through lacteals to reach the liver. Hence long chain fatty acids of more than 10 carbon chain, phospholipids and cholesterol are absorbed in lymphatic vessels. Short-chain and medium-chain fatty acids are absorbed without bile emulsification into portal vein as unesterified acids. Plant sterols, fat-soluble vitamins A, D, E and K are all absorbed like long chain fatty acids. In liver disorders, long chain fatty acids may be replaced by medium chain triglycerides for better tolerance and increasing energy intake. In deficiency or absence of adequate bile, long chain triglyceride absorption may or may not be affected; hence fat is given to patients of liver disorders as per their tolerance. Bile itself undergoes reabsorption to be recycled 6-10 times a day. This is called 'enterohepatic circulation of bile'. In patients of familial hypercholesterolaeinia, more bile gets reabsorbed. Excretion of bile is an important route of eliminating endogenous cholesterol. As bile is derived from cholesterol inside the liver cells, the loss of bile from body would mean utilizing cholesterol for bile synthesis. Clinically, hypercholesterolamia may be treated by interrupting enterohepatic circulation of bile. Drugs can be given to prevent reabsorption of bile so that more and more endogenous cholesterol converts into bile and gets eliminated from the system.
Benzathine penicillin given every three weeks as IM injection (1.2 mega units) has given the best results. Oral agents (penicillin V) are given in patients with lower risk of rheum
Symptoms contain fever, weakness, rashes, with erythema and edema. Serum sickness depends on the immune difficult formed and the size of the complexes.
Which of the following serves as an effector, or as part of an effector, that functions in a negative feedback system? A. Nicotinic Acetylcholine Receptors (nAChR) in SA node c
Prokaryotes and Eukaryotes By now, you know that cell theory holds good for all living forms. However, if you examine under the microscope, the cells of a bacterium, a blue gr
Osteomalacia Similar to rickets in young growing animals, osteomalacia is a disease of mature animals caused by absolute or relative deficiency of any one or combination of cal
Functions of Stomata The cuticle forms outermost surface of the leaf and offers resistance to the evaporation of water vapour and entry of carbon dioxide necessary for photosy
Q. How does aldosterone act and where is it produced? Aldosterone is a hormone that acts upon the nephron tubules stimulating the resorption of sodium Therefore it contributes
Lipid profile control Evaluation of lipid profile is essential to the management of diabetes and should be performed at initial visit in all patients with diabetes. You have l
What are chylomicrons? Yes, so you now know that chylomicrons are basically lipoprotein molecules which are water miscible. They are poured into lymphatic vessels through lacte
modes of nutrition in animals?
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