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Micelles allow non-soluble lipid products to mix with chyme and travel through the small intestines.
OVERLY SIMPLIFIED EXPLANATION OF HOW LIPIDS GET INTO THE BLOODSTREAM
Lipids are hydrophobic, meaning they can't dissolve in water. Blood is watery, and so is chyme (semi-digested food). If you put raw lipids into those solutions, they'll separate like oil and water in a bottle of Italian dressing and cause all kinds of problems. Instead, you have to package them up with some hydrophilic stuff, so that they'll "flow" along with the rest of the blood/chyme/lymph/whatever, and reach their destination.
The package that allows lipids to mix into chyme is called a MICELLE. The package that allows lipids to mix into the bloodstream is called a CHYLOMICRON.
Micelles are made up of lipid components (cholesterol, fatty acids, etc. -- the stuff you get after the fat is emulsified by bile and broken down by lipases) and bile salts. Micelles are formed in the duodenum and travel to the jejunum, where they are taken up by epithelial cells in the intestinal villi and disassembled.
The lipid bits are then mixed with proteins to form a chylomicron. This allows the lipid to be carried by the bloodstream. HOWEVER! Chylomicrons are huge -- way too big to enter the bloodstream through a capillary. So they have to take the scenic route through the lymphatic system. Special lymph vessels called LACTEALS inside the villi take up chylomicrons and circulate them through the lymphatics, where they eventually reach the bloodstream via the left subclavian vein.
Wiki User
∙ 14y ago
A micelle is a structure in which molecules like surfactants arrange themselves in a spherical shape in a liquid. This allows them to solubilize substances that are insoluble in the surrounding solvent, aiding in processes like emulsification and absorption. Micelles have a hydrophilic outer surface and a hydrophobic core, enabling them to encapsulate non-polar molecules.
Wiki User
∙ 16y agoIt is the account of dissociation of surfactant molecule when it is added to a solvent.
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Who is Emily osment daating?
micelle musso
What hydrophobic molecules are surrounded by bile?
Micelle
Does ethanol form micelle with soap?
No, it cannot.
What vitamin travels in a micelle with bile and fatty acids?
Vitamin A
Structure assisting absorption of long-chain fats?
Micelle
How a micelle allows grease or oil to dissolve in water?
Tom Robinson!
What is the role of micelles?
A micelle is a charged aggregate consisting of molecules that are of colloidal size which are put together to form a solution. Examples of a micelle can be seen in soaps, suspensions, and detergents.
Why spingomyelin can't form micelle structure but palmitic acid can?
Well, not having these structures before me, I still can say that one of these types has both a hydrophyllic end and a hydrophobic end so that it naturally forms a micelle.
What is an aggregation number?
An aggregation number is the number of molecules which are associated together to form a micelle.
What is the name of the structure formed when a soap coats an oily particle to make it water soluble?
Micelle
Can micelle formation take place with ethanol?
Yes, micelle formation can occur with ethanol as the solvent. Ethanol can act as a surfactant to reduce surface tension and form micelles with suitable solutes or surfactants. The ability of ethanol to form micelles depends on various factors such as concentration, temperature, and presence of other solutes.
What rhymes with giselle?
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