FRANCIS LEROY & CHRIS LIPPENS, BIOCOSMOS / SCIENCE PHOTO LIBRARY FRANCIS LEROY & CHRIS LIPPENS, BIOCOSMOS / SCIENCE PHOTO LIBRARY
Lipid absorption in small intestine, animation. Fats are insoluble in water and so need to be digested within the cell. Lipids (blue) are absorbed in the small intestine through the thin walls of microvilli (top). They are first processed by the Golgi apparatus (green, top) and put into a vesicle. They then travel through the cell to the smooth endoplasmic reticulum (green, around nucleus at lower centre) which further processes the vesicle by tagging it. The lipid then leaves the cell and enters the blood stream.
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