Fat absorption in the small intestine occurs when micelles deliver contents to epithelial cells via simple diffusion; inside cells, fats are reassembled into chylomicrons and released into lacteals by exocytosis.
La absorción de grasas en el intestino delgado ocurre cuando las micelas entran en las células epiteliales por difusión simple; dentro de la célula, las grasas se reensamblan en quilomicrones y se liberan en los lacteales por exocitosis.
| Front | Mechanism for absorption of fats in small intestine |
|---|---|
| Back | • When a micelle comes into contact with the epithelial cells of small intestine, the contents pass by means of *simple diffusion* into the cell • Inside the cell, glycerol and fatty acids are recombined into fats and packaged into chylomicrons. • The chylomicrons are transported by exocytosis into lacteals. |
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