What,s the meaning of the word lymphocyte?
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A lymphocyte is a type of white blood cell involved in the vertebrate immune system..\n\n  u will find more in the given source..
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The immune system is made up of three major components:  \nCentral lymphoid organs & tissue\nPeripheral "           "             "\nAccessory  "           "             "\nThe Lymphatic system is sometimes condsidered part of the circulatory system.  It is composed of the lymphatic vessels, lymph fluid, lymph nodes, thymus gland and spleen.  The system transports fluid (tissue fluid) from the tissues back to the bloodstream and carries certain fatty substances away from the digestive organs.  Lymphatic organs also aid in defending the body against infections by removing particles such as microorganisms from the tissue fluid.  In addition, it supports the activities of certain cells (lymphocytes) that produce immunity by reacting against specific disease-causing agents.
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17AAG - http://www.newscientist.com/channel/health/cancer/mg18625053.700\n\n Peripheral Blood Mononuclear Cell (PBMC) is a blood cell having a round nucleus, such as a lymphocyte or a monocyte. These blood cells are a critical component in the human immune system to fight infection and adapt to intruders
1024553
erythrocytes not a cell at all, although it's derived from true cells. erythrocytes is the mature stage of development of a cell line in which the nucleus (present in earlier forms) has been lost.meanwhile  leukocytes, are true cells with nuclei and organelles.
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Humoral immunity refers to an immune response from antibodies (for example, an antibody is produced by a B cell and recognizes a foreign antigen and triggers an immune reponse).  In contrast, cell mediated immunity occurs when a cell (for example a T cell) directly recognizes a foreign antigen being "presented" by another cell.
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"The spleen is a ductless, vertebrate gland that is closely associated with the circulatory system, where it functions in the destruction of old red blood cells in holding a reservoir of blood. It is regarded as one of the centres of activity of the reticuloendothelial system. Until recently, the purpose of the spleen was not known. It is increasingly recognised that its absence leads to a predisposition to certain infections."
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Through a series of steps called the immune response, the immune system attacks organisms and substances that invade our systems and cause disease. The immune system is made up of a network of cells, tissues, and organs that work together to protect the body.\n\nThe cells that are part of this defense system are white blood cells, or leukocytes (pronounced: loo-kuh-sytes). They come in two basic types (more on these below), which combine to seek out and destroy the organisms or substances that cause disease. \nThe leukocytes circulate through the body between the organs and nodes by means of the lymphatic (pronounced: lim-fah-tik) vessels. (You can think of the lymphatic vessels as a type of highway between the rest stops that are the lymphoid organs and lymph nodes). Leukocytes can also circulate through the blood vessels. In this way, the immune system works in a coordinated manner to monitor the body for substances that might cause problems.A foreign substance that invades the body is called an antigen (pronounced: an-tih-jun). When an antigen is detected, several types of cells work together to recognize and respond to it. These cells trigger the B lymphocytes to produce antibodies. Antibodies are specialized proteins that lock onto specific antigens. Antibodies and antigens fit together like a key and a lock.Once the B lymphocytes have produced antibodies, these antibodies continue to exist in a person's body. That means if the same antigen is presented to the immune system again, the antibodies are already there to do their job.Although antibodies can recognize an antigen and lock onto it, they are not capable of destroying it without help. That is the job of the T cells. The T cells are part of the system that destroys antigens that have been tagged by antibodies or cells that have been infected or somehow changed. (There are actually T cells that are called "killer cells"). T cells are also involved in helping signal other cells (like phagocytes) to do their jobs.\n\nAntibodies can also neutralize toxins (poisonous or damaging substances) produced by different organisms. Lastly, antibodies can activate a group of proteins called complement that are also part of the immune system. Complement assists in killing bacteria, viruses, or infected cells.\n\nAll of these specialized cells and parts of the immune system offer the body protection against disease. This protection is called immunity. Humans have three types of immunity - innate, adaptive, and passive.
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That would be the red blood cells. White blood cells have to do with immunity to illnesses.
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Humoral immunity is mediated by antibodies, which are made by B lymphocytes, when they mature to be plasma cells.\n\nCell mediated immunity involves T lymphocytes of various kinds.\n\nActually, AFAICR, T lymphocytes play a role in the very early stages of initiating Humoral immunity to a new antigen; they do the control and liaison work, via cytokines (lymphokines.)
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it means you have some kind of infection or disease "down there".  white blood cells are the cells that "fight off" germs, and diseases so if you have a more than normal white blood cell count somewhere in your body, it means that you have something wrong in that area
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Lymphocytes produce lots of proteins!\nThere are antibodies, antitoxins, cytokines which include interlukin and lots more signal proteins to control and regulate the immune response. Check out this site - it has a lot of accurate and easy to understand information on it about lymphocytes (T cells and B cells)\nhttp://www-micro.msb.le.ac.uk/
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eukaryotic\n\neu means true\nkary refers to nucleus\n\nwe have true nuclei in our cells
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The type of cells known as WBCs(White Blood Cells) protect the body against infections by either producing antibodies or by engulfing the foreign materials like toxins, bacteria, fungal spores etc. They can also trigger antibody- antigen reaction leading to inflammation. They are of three types:-\n 1. Neutrophills\n 2. Basophills\n 3. Eosinophills\nThey are therefore known as 'soldiers of body'.
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As blood is sent through the capillaries, some of it is filtered through the epithelial wall into the interstitial spaces around the cells in tissues.  This fluid is slowly forced into small little vessels called lymph vessels.  Lymph is the best way of finding out if there are bacteria, virus (pathogens) or even allergens/antigens in the tissues.  The lymph eventually drains into lymph nodes which are major sites for immune system communication. As fluid enters, some is pushed out.  These lymph vessels continue to merge until they become a major lymph vessel that drains in the subclavian vein.  This merges with the vena cava and thus returned to blood circulation.
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mononucleosis\n\nn : an acute disease characterized by fever and swollen lymph nodes and an abnormal increase of mononuclear leucocytes or monocytes in the bloodstream; not highly contagious; some believe it can be transmitted by kissing
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white blood cells...\nthey fight, they conspire.\nthey dont snitch.\nhttp://nydailynews.healthology.com/nydailynews/15836.htm
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antibodies, white blood cells