chy·lo·mi·cron 
(kī′lō-mīkrŏn′)
(kī′lō-mīkrŏn′)n.
A lipoprotein formed in the small intestine that transports dietary fats and cholesterol through the lymphatic system to the bloodstream. Chylomicrons are larger and less dense than very low-density lipoproteins.
[CHYL(E) + Greek mīkron, small thing, from neuter of mīkros, small.]