Following digestion in the small intestine, certain lipids are absorbed by intestinal epithelial cells and packaged into large droplets. These lipid droplets are released from intestinal epithelial cells and transported into the lymphatic system to ultimately drain into a large vein near the heart. Which series shows the order in which these lipid droplets are transported from the intestine to the bloodstream?A.Lymph capillaries → interstitial fluid → lymph vessels → lymph duct → veinB.Interstitial fluid → lymph vessels → lymph duct → lymph capillaries → veinC.Interstitial fluid → lymph capillaries → lymph vessels → lymph duct → veinD.Lymph capillaries → interstitial fluid → lymph duct → lymph vessels → vein
Question
Following digestion in the small intestine, certain lipids are absorbed by intestinal epithelial cells and packaged into large droplets. These lipid droplets are released from intestinal epithelial cells and transported into the lymphatic system to ultimately drain into a large vein near the heart. Which series shows the order in which these lipid droplets are transported from the intestine to the bloodstream?A.Lymph capillaries → interstitial fluid → lymph vessels → lymph duct → veinB.Interstitial fluid → lymph vessels → lymph duct → lymph capillaries → veinC.Interstitial fluid → lymph capillaries → lymph vessels → lymph duct → veinD.Lymph capillaries → interstitial fluid → lymph duct → lymph vessels → vein
Solution
The correct order in which these lipid droplets are transported from the intestine to the bloodstream is: Lymph capillaries → lymph vessels → lymph duct → vein. Therefore, the correct answer is A. Lymph capillaries → interstitial fluid → lymph vessels → lymph duct → vein.
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