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Absorption of Digested Productsd

Mark the correct statement about chylomicrons.


Inside the absorptive cells of intestinal mucosa, protein coated fat globules called chylomicrons are formed.  These large spherical masses leave the absorptive cell via exocytosis. Because they are so large and bulky, chylomicrons cannot enter blood capillaries—the pores in the walls of blood capillaries are too small. Instead, chylomicrons enter lacteals, which have much larger pores than blood capillaries. From lacteals, chylomicrons are transported to the blood at the junction of the left internal jugular and left subclavian veins. At the apical surface of capillary endothelial cells, an enzyme called lipoprotein lipase, breaks down triglycerides in chylomicrons and other lipoproteins into fatty acids and glycerol.

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