Which of the following best defines a micelle in the intestinal lumen?

• A. A spherical aggregation of bile salts and phospholipids that solubilizes monoglycerides, free fatty acids and cholesterol to facilitate diffusion to the enterocyte surface.
• B. An intracellular lipid droplet stored within enterocytes that is subsequently secreted intact into the bloodstream bypassing the lymphatic system.
• C. A protein-rich particle secreted by the pancreas that carries triglycerides through the hepatic portal vein directly to the liver for immediate oxidation and storage.
• D. A dense fibrillar network laid down by lacteals to entrap aggregated dietary lipoproteins and deliver them directly into gastric secretions.

Answer: (A)