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What cells release histamine How does the body respond to the release of histamine?
Much of the histamine in the body is produced by the granules in mast cells and basophils as part of a local immune response to the presence of invading bodies.
Why is histamine dangerous?
When histamine is produced in the body, it can be over-produced because we are taking too much of one thing or another that our body cannot use.
Where histamine is found in human body?
Histamine is found in the granules of mast cells where it is bound with an acidic protein and heparin(positively charged) while histamine itself is negatively charged.
What does the body produce when lymphocytes encounter an allergen?
histamine
What is the hestamine?
histamine is a compound produced in the body which causes pain and sweeling
What are anti-histamines?
According to the Cleveland Clinic web site, "Antihistamines help relieve symptoms by blocking the action of histamine. Histamine is a naturally occurring substance that is released by the immune system after being exposed to an allergen. When you inhale an allergen, mast cells located in the nose and sinus membranes release histamine. Histamine then attaches to receptors on nearby blood vessels, causing them to enlarge (dilate). Histamine also binds to other receptors located in nasal tissues, causing redness, swelling, itching, and changes in the secretions. By blocking histamine receptors, antihistamines prevent symptoms" (Cleveland Clinic web site 11/10/2008). So in essence what is occurring is an antihistamine blocks the ability of the body's histamine to attach to the normal receptor to tell the body to have a runny nose, itchy eyes, swelling, etc. They do not inhibit the release of histamine, as this would affect a wide array of other vital body functions that rely on histamine to work properly (such as acid production in the stomach).
Is histamine is the most important natural body anticoagulant?
yes
What substance produced by the body is counteracted by anthistamine drugs?
Histamine
How does Histamine affect the bronchioles?
http://www.pharmacorama.com/en/Sections/Acetylcholine_2_2.php#5Acetylcholine is a bronchoconstrictor.
What cells produce histamine?
histamine is produced by basophils and by mast cells found in nearby connective tissues. It is found in virtually all animal body cells.[
What is the main difference between histamine and serotonin?
They have completely different functions in the body; histamine stimulates certain kinds of immune responses, and serotonin is a neuro-transmitter.
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.
