ANATOMY & PHYSIOLOGY A  B  C  D  E  F  G  H  I  J  K  L  M  N  O  P  Q  R  S  T  U  V  W  X  Y  Z                    HOME ABOUT CATEGORIES SITE MAP COPYRIGHT ADVERTISE CONTACT entire Web this site endothelium A single layer of smooth, flattened cells lining the heart, blood vessels, and lymph vessels. Endothelium is made up of endothelial cells. It is derived from embryonic mesoderm. The corneal endothelium is the innermost layer of the cornea. Compare with epithelium. Related category    • ANATOMY AND PHYSIOLOGY Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) BACK TO TOP