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During an allergic reaction what chemical is released?
histamine
Does histamine result in an edematous and painful condition?
It sure can, if too much histamine is released.
Histamine and leukotrienes are released from?
Basophils and mast cells.
What is a vascular effect of histamine released from mast cells?
vasodialation
Histamine is released by what?
Histamine is released by mast cells and basophils in response to allergens or injury. It plays a key role in the inflammatory response and allergic reactions in the body.
What process is triggered when the chemicals are released from damaged cells after an injury?
There are many, many substances released when tissues are injured, but one of the interesting ones would be prostaglandins. Some other substances of interest that are released would be histamine, antibodies, clotting factors, and a host of others.
The chemical released by white blood cells and causes redness and swelling?
The chemical released by white blood cells that causes redness and swelling is called histamine. Histamine is a key player in the inflammatory response and is responsible for dilating blood vessels and increasing blood flow to the affected area, leading to redness and swelling.
Histamine is released by the body in response to?
histamine can be released into the body as a result of a bite or an allergy. You may see signs of histamine being released in the body as a result of a bite. you will see the area become red and inflamed (erythema and oedema). If you have a bite or a sting and you are severly allergic to it (ie, a bee sting) you may suffer from an anaphalactic shock. in this instance the person should be immediatly treated with adrenalin.
What releases histamine promotes inflammation?
Histamine is released by basophils and mast cells in near by connective tissue which is an immune response to foreign pathogens.
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.
Which substance causes itching when released in response to an allergen?
Histamine is the primary effector substance released by the mast cell in response to an allergy. When you have an allergy to something, you exhibit certain common symptoms. Sneezing, itchy and watery eyes, an itchy throat, a runny nose, and itchy rashes are all possible symptoms of an allergy. and the best way to combat these symptoms is to use an antihistamine that, as the name suggests, blocks the amount of histamine that is produced by the body
Release of the chemical histamine causes?
Release of histamine causes dilation of blood vessels, increased vascular permeability, and smooth muscle contraction. This can result in symptoms such as itching, redness, swelling, and bronchoconstriction depending on the location of release and the receptors it activates.
