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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

How do people get breast cancer?

Breast cancer develops when cells in the breast mutate and grow uncontrollably. The exact cause of these mutations is often unknown, but factors like genetics, hormonal influences, and lifestyle choices can contribute to an increased risk of developing breast cancer. Regular screenings and early detection are crucial for effectively managing and treating the disease.

Difference function between phagocytes and lymphocytes?

Macrophages are the first line of defense against a foreign substance. The macrophage cell envelopes and begins to break down the foreign substance into smaller pieces allowing the lymphocytes (T cells and B cells) to attack and destroy the foreign substance.

How does the lymphatic system function?

The Lymphatic system is one which the world seems to have a difficult time understanding. Basically the lymphatics system is part of our circulatory system. There are lymphatic vessel which have a clear fluid in them much like plasma, this fluid is called lymph. The primary function is to gather excess plasma that gets left behind in interstital fluid from the circulatory system back to the blood.

What are the 3 main functions of the lymphatic system?

1.Convey nourishment from the blood to the cells & to remove waste products.

2. Act as a filter, the lymphatic glands, remove bacteria, from lymph via filtration

3. To play a key role in the immune response.

What is the system that helps fight bacteria and viruses called?

The immune system is the body's defense system that helps fight off bacteria and viruses. It is made up of a network of cells, tissues, and organs that work together to protect the body from harmful pathogens.

Are neutrophils phagocytes?

Yes, neutrophils are a type of white blood cell that are phagocytes. Phagocytes are cells that engulf and digest pathogens, debris, or other unwanted materials in the body, helping to fight infection and maintain healthy tissues.

How do phagocytes protect against pathogens?

Activated by lymphocytes, Polymorph phagocytes absorb or envelope mostly bacteria, compartmentalize it, barrage it with enzymes attempting to destroy it, or radically alter it. Macrophages injest and destroy a wider variety of invaders, including viruses, and act as anitgen presenting cells which serve to increase immune response. Some epithelial and reticular cells also act as phagocytes in that the can injest and destroy or remove invaders.

What do B cells make in the lymphatic system?

Lymph is formed when the interstitial fluid between gaps in the body's tissues is collected through lymph capillaries and mixed with surrounding substances of the tissues. It is then transported through the lymph vessels and then to lymph nodes and is placed into the blood again via. the right or left subclavian vein, now replenished with immune backup.

How are leukocytes classified?

Leukocytes are classified based on the presence or absence of granules in their cytoplasm. They can be categorized as granulocytes (neutrophils, eosinophils, basophils) or agranulocytes (lymphocytes, monocytes). Additionally, they can be further differentiated based on their specific functions and surface markers.

What is it called when cancer spread through the blood stream or lymphatic system?

Carcinomas of the breast are malignant tumours, usually adenocarcinomas arising from the epithelial cells of the lactiferous ducts in mammary gland lobules. Metastatic cancer cells that enter a lymphatic vessel usually pass through two or three groups of lymph nodes before entering the venous system. Breast cancer typically spreads by means of lymphatic vessels (lymphogenic metastasis), which carry cells from the breast to the lymph nodes, chiefly those in the axilla. The cells lodge in the nodes, producing nests of tumor cells (metastases). Abundant communications among lymphatic pathways and among axillary, cervical, and parasternal nodes may also cause metastases from the breast to develop in the supraclavicular lymph nodes, the opposite of breast, or the abdomen.

What is lymph system?

The "lymph" system is the shortened form for your lymphatic system. The lymphatic system is a system of your body comprised of lymph nodes, organs and ducts. It's primary directive is to distribute immune cells and other factors throughout your bodies.

What procedure is involved in an esophagogastrectomy?

The cancerous portion of the esophagus will then be cut and removed along with nearby lymph nodes. Finally, a portion of the stomach will be pulled upward and connected to the remaining portion of the esophagus

What does it mean when you have a swollen tender slightly red lymph node in your armpit that goes away but comes in the other armpit right after?

A swollen lymph node is a sign that your body is fighting an infection. You should see your physician for proper diagnosis and treatment of the infection.

What will happen if one part of the system fail to carry out their corresponding function?

That part will not function. It depends on the system how bad the nonfunctional part will affect it. For example it could stop the heart.

What is the function of lymph nodes?

They filter bacteria and other foreign materials out of lymph and expose them to lymphocytes and macrophages that can engulf them; these cells multiply in response to accumulation of such materials, which is why lymph nodes swell during infections. The nodes also produce lymphocytes and antibodies, to be carried by lymph throughout the lymphatic system. (Britannica Concise Encyclopedia)

Are enlarged abdominal lymph nodes the cause of abdominal pain?

Enlarged lymph nodes are a symptom of an underlying health problem. Lymph nodes usually only swell when there is extra activity going on with them or they are congested.

When lymph nodes swell, they can become tender to the touch but it is unusual that they alone can be the cause of abdominal pain. It seems that there is an underlying problem.

When an infection is present, lymph nodes swell due to lymphocytes (white blood cells) rushing into the nodes to help fight the infection.

The answer to your question in my opinion would be no. The cause of your abdominal pain may be linked with enlarged abdominal lymph nodes but they are not the cause of problem.

There may be an infection present, you may have had a poor diet and created a bacteria filled environment, your body may be fighting a more serious ailment.

The best course of action would be to eat a VERY healthy diet, one which promotes good health and cleansing, take a visit to your doctor to check for any underlying health problems (note that swollen lymph nodes are not the problem, they are a symptom) and in general take very good care of your body.

What is a sentinel node?

It is the first node in which the lymphatic drainage occura in a particular area.

Can a father pass down his birth defects like ADHD dyslexia phenmonia and a week immune system and asthma to his child?

They aren't birth defects but yes he can. The King of Sweden for instance is dyslexic and so it the Crown princess. I have ADHD from my father's side of the family. The weak immune system might be because of things happening when he was born or the life he has lived so that depends on why he has it, If you with phenmonia means pneumonia it is not hereditary like that. it'a virus.