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Sinusoids

Medically reviewed by: Stephanie Curreli, MD, PhD
Last Updated: Jun 26, 2015

The sinusoids are capillary-like vessels with large pores in their endothelial cells; this makes them even more permeable than the capillaries. In the digestive system, they’re found near the liver and blood is conveyed via the sinusoids to the inferior vena cava by the hepatic veins.