Health High School

how is it possible that norepinephrine can cause vasoconstriction in one location but vasodilation in another?

Answers

Answer 1

Receptor types differ in these tissues  that norepinephrine can cause vasoconstriction in one location but vasodilation in another.

What is vasoconstriction?

The narrowing (constriction) of blood arteries by tiny muscles in their walls is known as vasoconstriction. Blood flow is slowed or blocked when blood vessels close. Vasoconstriction may be slight or severe. It may result from disease, drugs, or psychological conditions.

Medications causing vasoconstriction, also known as vasoconstrictors, are one type of medicine used to raise blood pressure. Generalized vasoconstriction usually results in an increase in systemic blood pressure, but it may also occur in specific tissues, causing a localized reduction in blood flow.

Midodrine, Methysergide, Dihydroergotamine are the example of Vasoconstrictor.

Read more about vasoconstriction:

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