Vasoconstriction is narrowing or constriction of the blood vessels. It happens when smooth muscles in blood vessel walls tighten. This makes the blood vessel opening smaller. “Vaso” actually ...

If deposits have formed in arteries that threaten to block the blood vessel or become loose and might block smaller vessels, doctors are faced with the question of whether and how they should ...

Many can act directly on the smooth muscle found in the walls of blood vessels. Others can act on the part of the nervous system that regulates vasodilation and vasoconstriction. Because ...

Vasoconstriction is the opposite of vasodilation. Vasoconstriction refers to the narrowing of the arteries and blood vessels. During vasoconstriction, the heart needs to pump harder to get blood ...

This was consistent with the vasoconstriction--blood vessel contraction--present in some types of endothelial dysfunction." Akiyoshi Fukamizu, corresponding author on the study In the study ...

Laughter Helps Blood Vessels Function Better Date: March 16, 2005 Source: University Of Maryland Medical Center Summary: Using laughter-provoking movies to gauge the effect of emotions on ...

Likewise, constriction of blood vessels, also known as vasoconstriction, is when the blood vessels tighten, in order to make the opening smaller. When the blood vessels relax in order to make the ...

To harness endothelin-1's power to constrict blood vessels and help patients manage ... to treat hypertension because of their key role in vasoconstriction, but the targets are moving and we ...

If deposits have formed in arteries that threaten to block the blood vessel or become loose and might block smaller vessels, doctors are faced with the question of whether and how they should ...

When the same group of study volunteers was shown a movie that produced mental stress, their blood vessel lining developed a potentially unhealthy response called vasoconstriction, reducing blood ...