Skip Over Navigation Links

Cells lining the blood vessel walls

Christopher V. Carman and Roberta Martinelli, Harvard Medical School, Boston, Mass.

Download hi-res image [16 MB]

Cells lining the blood vessel walls 

The structure of the endothelium, the thin layer of cells that line our arteries and veins, is visible here. The endothelium is like a gatekeeper, controlling the movement of materials into and out of the bloodstream. Endothelial cells are held tightly together by specialized proteins that function like strong ropes (red) and others that act like cement (blue).

Back to main page

Related Information

This page last reviewed on August 30, 2017