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What causes capillaries to dilate during inflammatory response?
Histamine
During an allergic reaction what chemical is released?
histamine
What is the application of histamine chamber?
A histamine chamber is used to test for histamine sensitivity or allergies by exposing the individual to controlled levels of histamine and observing their reaction. This type of test can help diagnose conditions like histamine intolerance or allergies.
What is the triple response of intradermal injection of histamine?
On intradermal injection of histamine the following three reaction occurs 1. Red spot formation - due to intense capillary dilation 2. Wheal formation -due to exudation of fluid from capillaries and vanules 3. Flare formation - due to arteriolar dilation mediated by axon reflex
Redness on the neck and upper chest?
This a histamine reaction to stress or being nervous.
Do mast cells release histamine as a result of the allergen-antibody reaction?
Yes, mast cells release histamine in response to the allergen-antibody reaction. When an allergen binds to specific antibodies on the surface of mast cells, it triggers the release of histamine and other inflammatory mediators, leading to allergy symptoms.
What is a chemical that stimulates the dilation of capillaries?
There are many vasodilators. These include histamines, nitric oxide, CO2, H+, K+, adenosine and epinephrine.
What pharmacololgically active amine is responsible for the signs and symptoms encountered in an allergic reaction?
Histamine
What is the role of histamine?
to send more blood to an injury to help heal it
Why do you get red bumps after you are bitten by a parasite?
It is due to Histamine released at the site ,a reaction of body.
What is the substance released during the inflammatory reaction that causes small blood vessels to dilate is?
Histamine
What is the substance released during the inflammatory reaction that causes small blood vessels to dilate?
Histamine
