Chapter 20, Problem 19RQ

Summary Introduction

To review:

The sinusoid and an organ containing fenestrated capillaries.

Introduction:

The capillaries are the smallest and most important blood vessels of the human body. They are made up of a single layer of endothelial cells covered by a basement membrane. They provide oxygen and nutrients to the tissue and also have site-specific functions, such as uptake of digested food from the small intestine.