Due to their structure lymphatic capillaries are more permeable than vascular capillaries and this means that they can not only more effectively remove fluid from tissue but also take up large molecules. This allows the lymphatic system to transport large proteins as well as chylomicrons for the transport of fats. Chylomicrons enter the [[Lymph - Anatomy & Physiology|lymph]] to eventually join the blood via the thoracic duct; this enables the lipid soluble [[Small Intestine - Anatomy & Physiology#Triacylglycerol Digestion and Absorption |triacylglycerol (TAG)]] to be transported into the blood. The interstitial fluid or lymph filtered into the lymphatic vessels passes through lymph nodes and is surveyed by immune cells before returning to the blood ensuring that antigens/pathogens from tissues are removed.
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Due to their structure lymphatic capillaries are more permeable than vascular capillaries and this means that they can not only more effectively remove fluid from tissue but they can also take up large molecules as well as chylomicrons for the transport of fats. Chylomicrons enter the [[Lymph - Anatomy & Physiology|lymph]] to eventually join the blood via the thoracic duct; this enables the lipid soluble [[Small Intestine - Anatomy & Physiology#Triacylglycerol Digestion and Absorption |triacylglycerol (TAG)]] to be transported into the blood. The interstitial fluid or lymph within the lymphatic vessels passes through lymph nodes and is surveyed by immune cells before returning to the blood, ensuring that antigens/pathogens from tissues are removed.