Human Venule

Human Venule
This is an optical microscope image of a human venule—a tiny blood vessel. A venule is tiny blood vessel that connects capillaries—where the blood exchanges the oxygen it carries for carbon dioxide—to larger veins leading back to the heart.

Minimum credit: 

Roger Wagner, University of Delaware


A venule is about 30 µm in diameter.


This image was created by another institution, not the NISE Network. This image is available to NISE Network member organizations for non-profit educational use only. Uses may include but are not limited to reproduction and distribution of copies, creation of derivative works, and combination with other assets to create exhibitions, programs, publications, research, and Web sites. Minimum credit required.

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