The constriction, or narrowing, of blood vessels, so that less blood is able to flow through at a time. This can be caused by a chemical substance or by a signal from the nervous system.
Selected vasoconstriction links:
© 1997-2006 Healthboard.com.
Healthboard.com is a purely
informational website, and should not be used as a substitute
for professional legal, medical or technical advice.