These chylomicrons are too large to fit through the pores in the capillaries, but they can fit through the larger fenestrations (openings) in the lacteal. ... Thus, the chylomicrons enter the lacteals and enter into lymphatic circulation.

How do chylomicrons enter lymph?

Nearly all dietary lipid is transported in chylomicrons from the gut to the blood through the lymphatic system by entering specialized lymphatic vessels, referred to as lacteals, in the villi of the intestine (Fig. 1).

Why are chylomicrons absorbed directly into the blood?

Chylomicrons are formed in the intestinal cells and carry lipids from the digestive tract into circulation. Short- and medium-fatty chains can be absorbed directly into the bloodstream from the intestinal microvillus because they are water-soluble. Cholesterol absorption is hindered by foods high in fiber.