What happens in the vascular phase? What prostaglandin is released that helps with vasoconstriction?

Question:

What happens in the vascular phase?

What prostaglandin is released that helps with vasoconstriction?

Intro to Hemostasis:

By the context of your question referring to vasoconstriction, it sounds like you're wanting to know about hemostasis. Hemostasis is the ability of our body to stop blood loss in the instance an injury occurs to try to limit the damage to a localized area.

There are three steps/mechanisms of hemostasis that occur in a very quick succession:

1) Vascular spasm (vasospasm)

2) Platelet plug formation

3) Coagulation

Answer and Explanation: 1

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Vasospasm, or vasoconstriction, is the first thing that takes place during hemostasis. When a blood vessel is injured, there are a few occurrences...

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Blood Coagulation and Wound Healing

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Chapter 6 / Lesson 18
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After suffering a wound, the body does everything it can to promote blood clotting and, ultimately, wound healing. The general term hemostasis refers to the stoppage of bleeding, and it just one of the many factors, others being platelets and thromboxane A2, that are essential for proper wound healing. This lesson details the process of blood coagulation, from the clotting factors to the coagulation cascade.


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