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Lymphatic System
This category is for questions about the various vessels by which lymph, a watery fluid of leukocytes, circulates through the body, providing transportation for some materials and removing particulate from tissues.
1,658 Questions
What is a Bean shaped structures of the lymph system?
a bean-shaped structure of the lymph system is called the lymph nodes.
How is manual lymphatic drainage achieved?
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How does the immune system respond to cedar pollen?
In the form of an allergic reaction*
First, the cedar pollen is mis-marked by an antibody, generally an IgE antibody.
The IgE can be picked up by two different cells - cells that destroy the pollen and cells that react to it. Those that destroy it will go on to alert the immune system of its presence, which will produce more antibodies and cause the person around the pollen to feel weaker, as well as cause a stronger allergic reaction.
The allergic reaction is caused by a cell known as the Mast Cell. The mast cell is hit with a pollen particle covered in antibodies. The cell reads these antibodies and produces a substance called histamine.
Histamine causes the skin to swell. As the skin swells, it tightens, which can cause irritation. In the eyes and throat this can cause the production of mucus.
Histamine can go to many different parts of the body. Most allergy sufferers suffer from swollen, runny noses (Runny noses are worsened by the swelling of mucus membranes in the eyes). This is histamine. Eyes may swell up and tear. This is histamine. The throat may become sore. This is histamine.
Another reaction is when the histamine attacks the skin rather than the mucus membranes. This can causes hives and the swelling of the entire face. We see this more in reaction to plant oils, like poison ivy.
* - not everyone will respond in an allergic reaction. In some people, the IgE antibodies will not bind to the pollen and thus the reaction is completely avoided.
Does lymphatic system produce eggs and protects the fetus?
No. That is the female reproductive system.
What are some situations that cause a high static condition in a hvac system?
High static pressure usually implies undersized ductwork, clogged filters, closed supply diffusers, etc.
How is The status of the immune system in someone with HIV infection can be monitored by checking?
checking antibody levels
Does a snake have a strong immune system?
yes they do. they can eat you alive so watch out. if you see a snake of any kind tell a snake expert to come get it .do not run from it.
What is the Difference between blood and lymph?
lymph caries digested and absorbed fat from intestine and drains excess fluid from extra cellular space back into blood.
Lymph is basically blood plasma without the blood cells, the fluid that is forced out of capillaries to clean and nourish cells. The part of it that does not return to the blood vessels is picked up by lymph vessels and eventually returned to the blood.
Why is suppressing the immune system unadvisable in patients with type I diabetes?
People with type I diabetes are already at risk for autoimmune problems, are more prone to infections, and have a complicated medical history that makes suppressing the immune system unadvisable.
What is involved in the programming of T lymphocytes?
The Thymus is involved in the maturation of T Lymphocytes.
What is para aortic prominent lymph node?
A paraaortic prominent lymph node is a lymph node more noticable than the others and found near the aorta.
The Lymphatic System.
How does the immune system respond to chemicals on the surface of an invading organism?
By presenting small pieces of the organism on their surface
What caues increased lymphocytes and is it harmful?
As with anything, too much is bad. Lymphocytes increase in response to an infection. A run-away increase may reflect some bad disease.
What cell in immune system gets rid of debris?
that depends what debris . a debris could mean "uremia" which can be filtered by the kidneys . or it could mean "antigen" that can be fought off by antibodies through the immune system or just basic germs and bacteria that can be thrown to the lymphatic system. the term "debris" seems to be very vague
How do the two major defense strategies of the immune system differ?
one likes men and the other doesnt
What does reactive lymph nodes mean?
When this system is reactive it means that the system is working to fight infection. When the body has foreigners attack its cells the lymph system is a line of defense that begins to combat the infection by producing cells to fights the underlying infection. The sort of infection and its severity can be determing by examination of the accompanying symptoms.
What happens when there is a loss of lymphatic fluid?
Lymph does not clot. Therefore if damage to the main lymphatic trunks in the thorax as a result of penetrating injury, the flow of lymph must be stopped surgically or death ensues. It is impossible to maintain adequate plasma protein concentration by dietary means if significant loss of lymph continues over time. As lymph is lost, rapid emaciation occurs, with a progressive and eventually fatal decrease in total blood fat and protein concentration.
How do you treat a person who has calcified hilar adenopathy?
Calcified hilar adenopathy needs no treatment as such. So many times the primary complex get calcified. You may need treatment for some associated finding.
