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Immune System

This category is for questions about how our bodies identify and fight off disease, infection or pathogens through specialized cells, tissues and organs. The system that does this is called the immune system. It produces antibodies which recognize intruders and neutralizes potentially pathogenic organisms or substances.

4,548 Questions

What are two ways active immunity is produced?

1. mother to fetus

2. Through exposure to the antigen(virus, toxins,or cancer cells).

What parts of your body are involved in your immune system?

Almost everything.

Respiratory system (lined with cilia and have macrophages, other immune cells, mucus-producing cells), GI system--the gut, starting from the mouth to the stomach to the bowels (lots of immune cells), lymph nodes (they're everywhere and drain every part of your body), thymus, spleen, bone marrow (produce white blood cells), skin .

What besides HIV or AIDS can cause a low lymphocyte count?

In general, chronic stress is known to lower the function of the immune system, and that would include reducing the lymphocyte count.

How do the anti-inflammatory suppress the function of immune system?

Anti-inflammatory drugs such as NSAIDs (non-steroidal anti-inflammatory drugs) inhibit the enzyme cyclo-oxygenase which is involved in the production of chemicals in your body such as prostaglandins and leukotrienes.

These chemicals are involved in the inflammatory response by making blood vessels around an infection more permeable so other immune system components (such as white blood cells) are able to move from your circulation into the active site of tissue infection.

By inhibiting the synthesis of prostaglandins and leukotrienes, the inflammatory response is severely reduced and thus suppresses the immune response at the site of infection.

How does your bodys immune system identify dangerous germs?

In fact all invasors shall be identified by the body defenders as dangerous invaders, except those ones that are part of the body's normal living microorganisms like the gut flora for instance. They are lactobacillus found in yougurts.

If they are more aggresive, a lot of defenders are sent to the battle field to fight them.

There are no "friendly" invaders when the subject are microorganisms, except those ones mentioned above.

Why might you need to know the lymphocyte level in the body?

There are two main types of lymphocyte, B-lymphocytes and T-lymphocytes. These are involved in the body's immune response to invading microorganisms and noxious stimuli (toxins). When dealing with an infection the levels of these white blood cell (leucocyte) types rises to combat it more efficiently.
If we know a base range that people normally have, then knowing whether it is elevated or below normal can be clinically very important. When elevated it may indicate you have an infection, when low it may indicate that your immune system is weakened possibly to to longstanding illness. When your lymphocyte count is low you are more prone to illnesses such as infections.

Neutrophils, another type of white blood cell are more commonly measured by a small blood prick (usually on a finger) and a good gauge for the strength of your immune system.

How do you stop radioactive pollution?

we can stop this pollution by throwing booms.

Do burns weaken the immune system?

Yes, burns of all sorts do weaken the immune system to some extent. The higher the degree the burn, the more susceptible you are to infection because of the exposed raw skin.

Do mercury drug are selling squalene.s capsules - Natures Immune System Booster?

Yes, Squalene-S is available in Mercury Drug, South Star Drug, Rose Pharmacy, St. Joseph drugstore and other leading drugstores nationwide. Squalene-S can also be purchased through our dealers and distributors nationwide. Please text 09205337777 for more info.

Does antigen antibody reaction release histamine?

There are 5 main immunoglobulin isotypes (antibodies): IgM, IgD, IgG, IgE, IgA

IgE antibodies will bind to mast cells and basophils and form cross-links when exposed to an allergen. Preformed histamine granules are released from the mast cells. This is the mechanism for type I hypersensitivity (i.e. asthma and allergies).

wikipedia.org/wiki/Mast_cell

Other antibodies provide different functions.

What if your kid started penis erection at the age of 6 years olds that cause him to have the urge for frequent urination at night It is normal?

Erection is common when males need to urinate. This is not sexual stimulation in any way. Frequent urination can have many reasons but less than 3 per night may be normal for a 6 year old

Does crocodile fat work to boost the immune system?

Crocodile fat has been used for centuries to heal skin disorders and there are many record's in various cultures of its use in naturalal healing remedies.

Repcillin is the world leader in crocodile fat

Whether it can boost the immune system has not been clinically tested.

What is leukocyte ester?

Leukocyte esterase is a urine test that is used to determine the amount of white blood cells. It also can check the existing white blood cells for abnormalities that would be caused by an infection.

Will Vitamin C protect against Swine Flu or increase your chances of death through an immune system over-reaction Cytokine storm which is believed to be a cause of many deaths during the 1918 Flu?

Taking Vitamin C should help strengthen your immune system and protect you against getting the swine flu. In the 1918 outbreak of Spanish Flu, it appears that the flu virus itself caused Cytokine storms, not Vitamin C or other products that were being taken by the victims. The nature of a Cytokine storm itself better explains this. When an intruder (the flu virus) enters the body, white blood cells sense the intruder and send T-cells and macrophages to attack the intruder. If a particular molecule called a Cytokine activates the immune cells at the site of the intrusion, too many immune cells can be called to the infected area, causing tissue around the infected area to become inflamed. If a Cytokine storm happens in the lungs, it can cause permanent lung damage. A prolonged Cytokine storm can shut down breathing and cause death.

What system does HIV affecT?

HIV effects the non specific immune system that is Acquired Immune System.

What is macrophage homing?

Homing is the process of determining the location of something, sometimes the source of a transmission, and going to it. Macrophages are important cells of the immune system that are formed in response to an infection or accumulating damaged or dead cells. So macrophage homing is the ability of white blood cells to get to the source of an infection.

What are neutrophils?

Neutrophils are a type of white blood cell (WBC). WBC's are the main cellular portion of your immune system. WBC's can be broken into 5 categories: neutrophils, lymphocytes, monocytes, eosinophils, and basophils. Normal mature neutrophils in your blood can also be referred to as "segs" or "segmented neutrophils". They are phagocytes and acute responders of the immune system. In a healthy patient, a person's total WBC's will be around 50-60ish% neutrophils (the exact normal reference range depends on the lab).

1What is the role of macrophages in the general response to infection?

It surrounds the virus. Once the invading cell is inside the phagocyte it is killed by enzymes.