What do mast cells release that brings about localized vasodilation in an inflamed area?
A) Histamine
B) Opsonins
C) interleukin 1
D) leukocyte mediator

Question

Quizplus · Accepted Answer

Mast cells release histamine which causes the blood vessels in the area to dilate, allowing more blood to flow to the site of inflammation. This increased blood flow brings in more immune cells and nutrients to aid in the inflammatory response.

What Do Mast Cells Release That Brings About Localized Vasodilation