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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

Can the lymphatic system transports fatty acid out the bloodstream?

Yes. More specifically, digestive lipids are broken down in the small intestine into glycerol and fatty acids. Glycerol is absorbed via the bloodstream. Fatty acids are first emulsified by bile, then transported as chyle via the lymphoid system's 'lacteals' into the thoracic duct.

What causes enlarged portacaval lymph nodes?

Enlarged portacaval lymph nodes are often caused by various underlying conditions, including infections, malignancies, or inflammatory diseases. Common causes include liver diseases such as hepatitis or cirrhosis, as well as cancers like lymphoma or metastasis from other sites. Additionally, conditions leading to portal hypertension can also contribute to lymphadenopathy in this area. Diagnosis typically requires imaging studies and may necessitate further investigation to determine the underlying cause.

What is the medical term meaning Collection of lymph tissue in the nasopharynx?

Lymphoid tissue includes the lymph nodes, spleen, thymus, bone marrow and "tonsils" which are located in the throat.

  • The tonsils are lymphoid tissue which line the pharynx or throat.
  • Nasopharyngeal indicates the area of the internal openings of the nose and mouth.
Names and locations of tonsillar divisions:
  • Adenoids = aka Pharyngeal tonsils or Luschka located at the nose.
  • Tonsils = aka Palatine located at the oropharynx (back of the mouth).
  • Tubal = located at the opening of the auditory tubes.
  • Lingual = located at the tongue "root".
  • Cerebral = located above the nasal openings.
  • Nasal = located within the nasal cavity

Major functions of immune system?

One of the major functions of the immune system is to protect the body against harmful pathogens. It also functions to build up a defense system against any potential infections.

When will your immune system attack your own cells?

Your own cells were created with certain "recognition" proteins on their cell membrane, which tells your immune system to ignore them when encountered. When this process fails, we see many "auto-immune" diseases like multiple sclerosis. It is also recently thought that asthma and diabetes may have some "auto-immune" components which tend to destroy pancreatic islet cells or epithelial cells in the bronchioles.

What is the flow of lymph into and out of the lymph nodes?

Lymph travels in lymph vessels. There are varying sizes of lymph vessel, just like with blood vessels. The vessels generally are found just below the skin or in the deeper levels of the skin.

What does it mean if your lymphs are high?

in blood,we have agranular components like lymphocytes,monocytes,macrophages.....these are mainly concerned for our defense system......all these components are much much higher in babies blood.....man has higher number than woman in these componets....that's why babies body temp is much higher than elder one....mother milk contains "colostrum" which helps in producing these componets......but i have no reason,why their count is high in babies.....may be god has made this...........

How does the immune system work to prevent pathogens from causing disease in the body?

Not exactly, at least not the immune system most know.


In the acquired immune system, a disease enters your body and starts making you feel ill. Your immune system can now destroy this disease because it is in you and it has sensed it. Sometimes diseases are sensed so quickly and the body is already ready for it (due to memory b-cells)

that you never feel it. This often happens with the chicken poxs.


However the innate immune system can completely prevent certain diseases. Your innate immune system is made up of your skin, your digestive track (primarily the stomach and its acid), and mucus membranes (like inside your nose and lungs). Those systems can block diseases and send them away before they fully enter the body (cool facts, the space in your lungs and your digestive system are not considered "inside the body" - that's right, there is basically a hole going right through your person.)

The function of a phagocyte is?

Phagocytes are very important components of our body's immunity (innate immunity). They are cells that can phagocytose foreign microbes (engulfing microbes by the cell membrane) and then they use enzymes to break down these foreign microbes. Phagocytes may also present the remnants of the microbe to a different type of cells (lymphocytes) to create a memory of that microbe in the body.

What is the difference between pathogen and phagocyte?

Phagocytes eat anything that seems foreign or harmful to the body (bacteria, virus, infected cells) in a process called phagocytosis.

Macrophages are actually a type of phagocyte. They consume large amounts (or clumps) of foreign invaders. They are pretty slow in performing phagocytosis.

Where is lymphocyte located?

Lymphocytes are a type of white blood cell that is found in the blood of vertebrates. There are a few different types of lymphocytes, but the main three are known as T cells, B cells, and NK cells.

What anatomically lymph vessels resemble?

Like veins of the blood vascular system, the lymphatic collecting vessels have three tunics and are equipped with valves
Carry lymph. Yea varily.
Lymphatic vessels need a proper method of transport so they can reach their destination. They are not pumped, but pushed along by skeletal muscle contractions, and valves are in place to prevent fluid from flowing backward. They resemble veins, because the vessels need to be small enough to fit within the body along with the other arteries and veins, which are small enough to be in proximity.

What can affect the immune system?

Diseases that directly affect the immune system are known as Autoimmune Diseases, including Rheumatoid Arthritis, Multiple Sclerosis, and Chron's disease. Other conditions that impact the body's ability to fight off disease include Diabetes, AIDS, and Hepatitis C.

Does fatigue effect your immune system?

People with fibromyalgia have low levels of seritonin, so they have a difficult time fighting sicknesses. They also get very little sleep and/or suffer from depression, so that also makes them succeptible to sickness (no energy).

What diseases result in enlarged lymph nodes?

Lymphadenopathy is any disease process involving enlargement of the lymph nodes. This can occur due to infection, autoimmune disease or malignancy.

What is an example of a lymphatic disease?

Lymphoma

A lymphoma is a cancer type which can cause enlargement of lymph nodes so in a way this statement is true as the nodes will enlarge. The lymphoma however is basically a blood malignancy and affects the lymphocyte (a type of white cells). It can therefore produce effects in many different areas of the body of which the lymphatic system ( more specifically the lymph nodes) is only one manifestation.

There are many other things which can have an effect on the lymphatic system including infection, metastases from other malignant tumours, various systemic diseases etc etc etc

How do you make your immune system strong?

I was someone who got sick constantly. I would be down and out for almost a month each year. That's not only no fun physically, but it really hurt me with my job and missing work too. I had a friend who introduced me to a product and said it was especially formulated for strengthening the immune system. It was something completely new...not a vitamin, mineral, herb, or fruit. I was very skeptical at first, but he showed me a ton of scientific studies and so I gave it a try. I've been taking it faithfully for 3 years now and it is incredible! I went 2 years without being sick at all and last year it was for only a couple of days instead a month like in the past. You can find all sorts of information on the product, along with the studies, and even order it at: www.4lifetransferfactorstore.com I highly recommend it. Good luck!

Which causes death immediately hodgkin's or non hodgkin's lymphoma?

The most common cause of death was infection. Predisposing factors for infection included the underlying disease. Also contributing to death are the following extranadal sites of involvement: respiratory track, bone marrow, liver, kidney and gastrointestinal track.

Does donating blood weaken the immune system?

When donating blood, you do not give enough blood to significantly reduce the number of white blood cells in your system. Those that are lost are quickly replaced in a healthy individual. And individuals with already weakened immune systems are not permitted to give blood.

How is a lymph node biopsy done?

A liver biopsy can be performed a few different ways: a needle can be inserted through the skin, and take a sample of the liver; during abdominal surgery, a piece of the liver may be removed; through blood vessels, a sample of the liver may be taken. the live sample would then be taken to be studied under a microscope.

Why is it when the immune system reject an transplant?

Immune system starts rejecting the organ of the recipient because the Human Leukocyte Antigen (HLA) which is present on the surface of the transplanted organ of the donor does not match with the recipient.

Why is it important to have a strong immune system?

Immunity is being able to resist a certain disease through preventing develoment of a pathogenic microoranism or by counteracting the effect of it's products.