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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

Why does a sperm doesn't act as foreign to induce immune response?

Sometimes the sperm does induce an immune response - some infertility problems are caused by women having anti-sperm antibodies which kill the sperm before it has the opportunity to fertilise the ova.

Does the first exposure to a pathogen result in a much faster immune response than the second exposure to the same pathogen?

After your first exposure to a pathogen, you have memory T-cells that will remember the antigen of the pathogen so in the future if you would come in contact with the same pathogen your body would recognize it right away and be able to kill it much faster.

How do you keep toenails from getting thick?

Regularly trim toenails straight across, avoid cutting them too short, wear properly fitting shoes, keep feet clean and dry, and moisturize regularly to prevent thickening of toenails. If thick toenails persist, consult a healthcare professional for further evaluation and treatment options.

What causes a tingling sensation in the tongue that comes and goes?

It can be too much smoking or you may have a tooth that is irritating your tongue (jagged edge.) Sometimes if we are stressed out our taste buds (on the surface of the tongue) can have a pH level problem. It usually goes away so I wouldn't worry about it. If you haven't been to the dentist then go. If it continues please see your doctor.

Can you be At Fault if you stopped over the white line at intersection and got rear ended?

No, don't think you would be held the majority at fault, and doubt would be any liability assessed to you. The vehicle behind you has a duty to not be driving too fast to ensure he can stop short of any obstruction in the road. If you could give me more details surrounding the facts of loss I could be of greater assistance, if the insurance company has or does deny your claim, please let me know the exact reason for their denial and I'm sure I can point you in the right direction.

What organs are used for the immune system?

What are the organs of the immune system?

Our immune system is made up of both individual cells and entire organs and organ systems which fight against foreign infection from harming our bodies

Starting from Organs that function as barriers Your skin and mucous membranes are the first line of defense against germs entering from outside the body. ** Lymphoid organs** The lymphatic system is composed of: ** Primary lymphoid organs**: These organs include the bone marrow and the thymus. They create special immune system cells called lymphocytes.

Bone marrow Bone marrow is a sponge-like tissue found inside the bones. That is where most immune system cells are produced and then also multiply. These cells move to other organs and tissues through the blood. At birth, many bones contain red bone marrow, which actively creates immune system cells. Over the course of our life, more and more red bone marrow turns into fatty tissue. In adulthood, only a few of our bones still contain red bone marrow, reason why you need to strengthen your immune system with healthy food and supplements like these (linktr.ee/HealthyAid ) to help strengthen the immune system.

Thymus This gland-like organ reaches full maturity only in children, and is then slowly transformed to fatty tissue. Special types of immune system cells called thymus cell lymphocytes (T cells) mature in the thymus. Among other tasks, these cells coordinate the processes of the innate and adaptive immune systems. T cells move through the body and constantly monitor the surfaces of all cells for changes.

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Secondary lymphoid organs: These organs include the lymph nodes, the spleen, the tonsils and certain tissue in various mucous membrane layers in the body

Lymph nodes Lymph nodes are small bean-shaped tissues found along the lymphatic vessels. The lymph nodes act as filters. Various immune system cells trap germs in the lymph nodes and activate the creation of special antibodies in the blood.

Spleen It stores various immune system cells. When needed, they move through the blood to other organs. It breaks down red blood cells (erythrocytes). It stores and breaks down platelets (thrombocytes), which are responsible for the clotting of blood, among other things. ** Tonsils** The tonsils are also part of the immune system. Because of their location at the throat and palate, they can stop germs entering the body through the mouth or the nose. The tonsils also contain a lot of white blood cells, which are responsible for killing germs.

Mucous membranes

The bowel plays a central role in defending the body against germs: More than half of all the body's cells that produce antibodies are found in the bowel wall, especially in the last part of the small bowel and in the appendix. These cells detect foreign substances, and then mark and destroy them. They also save information about the substances in order to be able to react more quickly the next time. The large bowel also contains harmless bacteria called gastrointestinal or gut flora. Healthy gut flora make it difficult for germs to spread and enter the body.

Mucous membranes support the immune system in the body, The immune system cells are directly beneath the mucous membranes, where they prevent bacteria and viruses from attaching

How long before scabies are gone Because I think I somehow contracted it and my husband has had them before from his ex and I just want to know how long you can have them or be infected?

Scabies can be passed by sharing clothing, towels and bedding with someone who is infected. However, this is less likely to cause an infection than skin-to-skin contact.

It can take up to eight weeks for the symptoms of scabies to appear after initial infection. This is known as the incubation period.

You should visit your GP if you think you have scabies. It is not usually a serious condition but does need to be treated. The two most widely used treatments for scabies are permethrin cream and Malathion Lotion. Both medications contain insecticides that kill the scabies mite.Permethrin cream is usually recommended as the first treatment. Malathion lotion is used if permethrin cream proves ineffective your partner has been diagnosed with genital scabies, to avoid reinfection you should visit your nearest sexual health clinic so you can be checked and, if necessary, treated.

You should avoid having sex and other forms of close bodily contact until both you and your partner have completed the full course of treatment

How do the immune cells discover intracellular pathogens?

All cells have specialized proteins on their surface that show a sampling of the contents of the cell to certain immune cells, which recognize these samples as self or foreign (i.e. intracellular pathogens) and kill infected cells.

What part of your body breaks down food and absorbs nutrition's?

That's actually a process. The breaking down begins in the mouth where your teeth break the food into smaller pieces. Then your stomach acids break down the food into a substance called chyme. Then the Chyme goes into the small intestine where the nutrient absorbing occurs.

Can you die by seeing an ugly person?

No, it is not possible to die from simply seeing an ugly person. Beauty is subjective and there is no scientific evidence to support the idea that looking at someone unattractive can cause death.

Where do you get auto click on boombang?

Using an auto clicker in Boombang is considered cheating and against the game's terms of service. It gives players an unfair advantage over others and can lead to penalties, such as being banned from the game. It's recommended to play the game fairly and enjoy it without the use of such tools.

On what side is your bladder?

the urinary bladder is in the midline of the abdomen, behind the pubic bone. the gallbladder is in the upper right abdomen.

What causes pain in the sternum?

Pain in the sternum can be caused by conditions such as costochondritis (inflammation of the cartilage that connects the ribs to the sternum), muscle strain, trauma, or conditions affecting the heart or lungs like angina or pleurisy. It's important to consult a healthcare provider for proper diagnosis and treatment.

What are the eight organs of the immune system?

The eight organs of the immune system are the tonsils, thymus, bone marrow, spleen, lymph nodes, adenoids, appendix, and Peyer's patches in the small intestine. These organs play crucial roles in the immune response, such as producing and storing immune cells, filtering pathogens from the bloodstream, and coordinating immune responses.

What is causing your whole body to be stiff and your fingers and toes to cramp up?

Lack of certain vitamins can cause cramps - take a multivitamin; also some other stuff for which you might want to talk to a doctor.

Stress might one of the causes of it. This needs your muscle to exercise a little. There are a lot of ways to exercise your muscles. A simple stretching and massage will do. But nothing can be more relaxing in exercising muscles than spa treatment. It is available in any places and majority of the people can afford of obtaining it.

What are Helper T cells?

Helper T cells are a type of white blood cell that play a crucial role in the immune response by coordinating and regulating the activities of other immune cells. They help activate B cells to produce antibodies and assist cytotoxic T cells in killing infected cells. Helper T cells are essential for a properly functioning immune system.

What is the medical definition for removal of mediastinal organ?

The medical term for the removal of a mediastinal organ is mediastinal organ resection. This procedure involves the surgical removal or partial removal of an organ located in the mediastinum, the central compartment of the chest cavity. It is typically performed to treat conditions such as tumors or infections affecting organs in this region.

What does the sebum do for the immune system?

Sebum, an oily substance produced by the sebaceous glands in the skin, can help protect the skin and hair follicles from harmful microbes. It has antimicrobial properties that can help fight off bacteria and fungi, thus supporting the immune system's defense against infections.

Where is the inguinal node?

The inguinal nodes are located in the groin area, near the crease between the thigh and the lower abdomen. These nodes play a role in filtering lymphatic fluid from the lower extremities, genitals, and pelvic region.

If both mcv and monocytes are high what does this mean?

MCV is the average size of the red blood cell, and monocytes are a type of white blood cell. Taken by themselves, elevated MCV and monocytes have no meaning or diagnostic importance. Whether these findings are meaningful can only be considered by someone familiar with your history and physical.

Organ near the stomach that produces stores and eliminates blood cells?

The organ you are referring to is the spleen. It plays a crucial role in filtering and recycling old and damaged blood cells, as well as producing new blood cells in times of need. The spleen also stores extra blood cells that can be released into circulation when necessary.

What is Monocytes Absolute and what are the risk of them being high?

Monocytes are one of the classes of white blood cells. Absolute means the count your saw was the number of monocytes, not the percentage. If they're high, you may have an infection such as mono.

Lymphocyte count is 40 percent neutrophil count is 43 percent and eosonophil cont is 14 percent are you having HIV aids?

Based on these percentages alone, it is not possible to determine if someone has HIV/AIDS. Diagnosis of HIV/AIDS requires specific laboratory tests to detect the presence of the virus. It is recommended to consult a healthcare professional for further evaluation and testing.

What part of the nail is responsible for nail growth?

The lumen, the half moon white colored parts at the base of the nail.