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Topic: Lymphatic system


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In the News (Fri 24 May 19)

  
  Spleen and Lymphatic System
One of the major lymphatic vessels is the thoracic duct, which begins near the lower part of the spine and collects lymph from the pelvis, abdomen, and lower chest.
The right lymphatic duct is the other major lymphatic vessel and collects lymph from the right side of the neck, chest, and arm, and empties into a large vein near the right side of the neck.
Lymphatic tissue is also scattered throughout the body in different major organs and in and around the gastrointestinal tract.
www.kidshealth.org /parent/general/body_basics/spleen_lymphatic.html   (1176 words)

  
  ScienceDaily: Metastasis
Glioma -- A glioma is a type of primary central nervous system (CNS) tumor that arises from glial cells.
Lymphatic system -- Lymph originates as blood plasma lost from the circulatory system, which leaks out into the surrounding tissues.
The lymphatic system collects this fluid by diffusion into lymph capillaries, and...
www.sciencedaily.com /encyclopedia/Metastasis   (1401 words)

  
  VIII. The Lymphatic System. 1. Introduction. Gray, Henry. 1918. Anatomy of the Human Body.
The lymphatic capillary plexuses vary greatly in form; the anastomoses are usually numerous; blind ends or cul-de-sacs are especially common in the intestinal villi, the dermal papillæ and the filiform papillæ of the tongue.
Lymphatic capillaries are probably absent in the central nervous system, the meninges, the eyeball (except the conjunctiva), the orbit, the internal ear, within striated muscle, the liver lobule, the spleen pulp and kidney parenchyma.
The lymphatic vessels are supplied by nutrient vessels, which are distributed to their outer and middle coats; and here also have been traced many non-medullated nerves in the form of a fine plexus of fibrils.
www.bartleby.com /107/175.html   (2816 words)

  
  Lymphatic system - Wikipedia, the free encyclopedia
The lymphatic system is a complex network of lymphoid organs, lymph nodes, lymph ducts, and lymph vessels that produce and transport lymph fluid from tissues to the circulatory system.
Unlike the circulatory system, the lymphatic system is not closed and has no central pump; the lymph moves slowly and under low pressure due to peristalsis, the operation of semilunar valves in the lymph veins, and the milking action of skeletal muscles.
Thomas Bartholin and Olaus Rudbeckius, the discoverers of the lymphatic system in humans.
en.wikipedia.org /wiki/Lymphatic_system   (718 words)

  
 Lymphatic System - MSN Encarta
Lymphatic System, the circulatory vessels or ducts in which the fluid bathing the tissue cells or vertebrates is collected and carried to join the bloodstream proper (see Lymph).
The lymphatic system is of primary importance in transporting digested fat from the intestine to the bloodstream; in removing and destroying toxic substances; and in resisting the spread of disease throughout the body.
The portions of the lymphatic system that collect the tissue fluids are known as lymphatic capillaries and are similar in structure to ordinary capillaries.
uk.encarta.msn.com /encyclopedia_761566336/Lymphatic_System.html   (606 words)

  
 Lymphatic System - MSN Encarta
Lymphatic System, common name for the circulatory vessels or ducts in which the fluid bathing the tissue cells of vertebrates is collected and carried to join the bloodstream proper (see Lymph).
The lymphatic system is of primary importance in transporting digested fat from the intestine to the bloodstream; in removing and destroying toxic substances; and in resisting the spread of disease throughout the body.
Among the abnormal conditions affecting the lymphatic system are inflammation of the lymphatics or of the lymph nodes, seen in infections; tuberculosis of the lymph nodes; malignancies in the lymphatic system (see Cancer; Hodgkin's Disease); and elephantiasis.
encarta.msn.com /encyclopedia_761566336/Lymphatic_System.html   (656 words)

  
 Reference.com/Encyclopedia/Lymphatic system
The lymphatic system is a complex network of lymphoid organs, lymph nodes, lymph ducts, lymph tissues, lymph capillaries and lymph vessels that produce and transport lymph fluid from tissues to the circulatory system.
The lymphatic system acts as a secondary circulatory system, except that it collaborates with white blood cells in lymph nodes to protect the body from being infected by cancer cells, fungi, viruses or bacteria.
Unlike the circulatory system, the lymphatic system is not closed and has no central pump; the lymph moves slowly and under low pressure due to peristalsis, the operation of semilunar valves in the lymph veins, and the milking action of skeletal muscles.
www.reference.com /browse/wiki/Lymph_system   (916 words)

  
 Category:Lymphatic system - Wikipedia, the free encyclopedia
In mammals including humans, the lymphatic system is composed of a network of thin vessels that branch, like blood vessels, into tissues throughout the body.
Lymphatic vessels carry lymph, a colorless, watery fluid originating from interstitial fluid (fluid in the tissues).
The lymphatic system transports infection-fighting cells called lymphocytes, is involved in the removal of foreign matter and cell debris by phagocytes and is part of the body's immune system.
en.wikipedia.org /wiki/Category:Lymphatic_system   (136 words)

  
 The lymphatic system and fighting cellulite.
The lymphatic system is classed as a secondary system, yet is an important circulatory system, working in conjunction with the cardiovascular system, and the lymph fluid forms the bridge between the major arterial and the smaller microscopic venous circulations.
This system bathes the cells in fluid and its main function is to collect fluids and wastes from between cells and return it to the main circulatory system as well as absorption of fat (in the villi of the small intestine) and forms part of the immune system of the body.
The system is made up of a configuration of fine vessels (tubes) called lymphatics and except for the nervous system, are found in all parts of the body with the majority of lymphatic tissue being present in bone marrow, spleen, thymus gland, lymph nodes as well as the tonsils.
www.cellumend.com /lymph-system.htm   (953 words)

  
 The Lymphatic System
Some scientists consider this system to be part of the blood and circulatory system because lymph comes from blood and returns to blood, and because its vessels are very similar to the veins and capillaries of the blood system.
The major lymphatic vessel is the thoracic duct, which begins near the lower part of the spine and collects lymph from the lower limbs, pelvis, abdomen, and lower chest.
Because the lymphatic system branches through most of the parts of the body, it may be involved in a wide range of conditions.
www.gorhams.dk /html/the_lymphatic_system.html   (1597 words)

  
 Lymphatic System Information on Healthline
The lymphatic system is a secondary system of vessels that is distinct both in anatomy and function from the blood vessel capillaries of the circulatory system.
Small lymphatic vessels (or "lymphatics") called lymphatic capillaries are found in almost all organs of the body except superficial layers of the skin, the central nervous system, endomysium of muscles, and the bone.
Many afferent lymphatics or vessels lead the lymph into the node at the larger curve of the bean shape and efferent lymphatics, fewer in number, take the lymph away from the node at the hilum, the depressed region of the bean shape.
www.healthline.com /galecontent/lymphatic-system-1   (682 words)

  
 Lymphatic System
The components of the lymphatic system are divided into two groups – the primary organs and the secondary organs.
Lymphatic capillaries are interwoven with the blood capillaries.
Truly, a healthy lymphatic system is necessary to the survival of the animal.
www.peteducation.com /article.cfm?cls=18&cat=1800&articleid=2975   (1545 words)

  
 The Lymphatic Research Foundation
"The biology of the lymphatic system is positioned at a unique locus where the working of the immune system, its pivotal role in defending against cancer and infectious diseases, and its potential role in the treatment of autoimmunity uniquely align themselves.
The lymphatic system is one of the most common avenues for the spread of cancer cells throughout the body.
Lymphatic insufficiency of the internal organs is a particularly common problem among children who are born with inherited or developmental disorders of the lymphatics.
www.lymphaticresearch.org /main.php?menu=patients&content=lymphsys   (1304 words)

  
 Conditions By Organ: Lymphatic system - WrongDiagnosis.com
Introduction: The lymphatic system is the second circulatory system in the body, with the blood as the better known system.
The lymphatic system is part of the immune system and circulates lymph around the body through lymphatic vessels and lymph nodes.
An important purpose of the lymphatic system is to remove parts of microbes or dead body cells that are broken down as part of other immune system attacks.
www.wrongdiagnosis.com /organ/lymphatic_system.htm   (350 words)

  
 LYMPHATIC SYSTEM
Lymphatic tissue might be compared to a sponge with the framework of the sponge consisting of reticular fibers (except for the thymus which has a cytoreticulum) and the holes of the sponge containing lymphocytes distributed as the prominent cell type.
A lymphatic organ is a mass of lymphatic tissue that is surrounded by a connective tissue capsule or covered by an epithelium.
These are areas of loose lymphatic tissue in the medulla, which lie between the medullary cords and the trabeculae.
www.mc.vanderbilt.edu /histology/labmanual2002/labsection2/Lymphatic03.htm   (2996 words)

  
 The Lymphatic System - DESIGN, WORKINGS, AILMENTS, TAKING CARE
The lymphatic system is responsible for body immunity, filtering harmful substances out of tissue fluid (which fills the spaces between the cells) before that fluid is returned to the blood and the rest of the body.
Lymphoma is a type of cancer in which cells of the lymphatic system (B cells and T cells) become abnormal and begin to grow uncontrollably.
Since the system is closely allied with the cardiovascular system, approaches to keeping that system healthy are recommended for the lymphatic system, also.
www.faqs.org /health/Body-by-Design-V1/The-Lymphatic-System.html   (8694 words)

  
 ยท LYMPHATIC SYSTEM
This problem is avoided by the presence of lymphatic vessels that act as "drains" to collect the excess fluid and return it to the venous blood just before it reaches the heart.
The lymphatic system is a specialized component of the circulatory system.
This simultaneously causes pressure to increase in the abdominal portion of the thoracic duct and to decrease in the thoracic portion.
www.cayuga-cc.edu /people/facultypages/greer/biol204/lymphatic1/lymphatic1.html   (867 words)

  
 The Lymphatic System
Lymphatics leaving lymph nodes are called efferent lymph vessels and conduct lymph toward the shoulder region.
Large lymphatics that drain groups of lymph nodes are often called lymph trunks.Lymphatics from the lower portion of the body converge to form a dilated lymph vessel, the cisterna chyli, in the lumbar region of the abdominal cavity.
A large tumor outside the lymphatic system may cause sufficient pressure to stop the flow of lymph.In other parts of the world parasitic infections can be a cause of severe forms of lymphoedema.
classes.tmcc.edu /eburke/other-notes/Lymphatic_System.htm   (3572 words)

  
 LYMPHEDEMA LYMPHATIC SYSTEM FUNCTIONS
We all have about the lymph or lymphatic system, because a malfunction of this system is what causes this dreaded condition called lymphedema that we live and struggle with.
Lymphatic obstruction involves blockage of the lymph vessels, which drain fluid from tissues throughout the body and allow immune cells to travel where they are needed.
The lymph system is a network of organs, lymph nodes, lymph ducts, and lymph vessels that produce and transport lymph from tissues to the bloodstream.
www.lymphedemapeople.com /thesite/lymphedema_lymphatic_system_functions.htm   (3515 words)

  
 VAT: The Lymphatic System
The lymphatic system in most animal species is the most important physiological system of combating foreign bodies such as viruses, bacteria, or fungi.
The lymphatic system varies from animal to animal, but in humans, it consists macroscopically of: The bone marrow, spleen, thymus gland, lymph nodes, tonsils, appendix, and a few other organs.
However, the functioning of the lymphatic system is most easily seen at the microscopic level where the white blood cell is the single most important element.
www.acm.uiuc.edu /sigbio/project/updated-lymphatic/lymph1.html   (354 words)

  
 Lymphatic system - Lymphatic System
Neck masses in children often involve the lymphatic system, which is part of the immune system and functions to fight disease and infections.
The lymphatic system is your body's drainage system.
The circulatory and lymphatic systems are the body's transport system.
directinfoseed.com /disd/lymphatic-system.html   (983 words)

  
 VIII. The Lymphatic System. 2. The Thoractic Duct. Gray, Henry. 1918. Anatomy of the Human Body.
It is the common trunk of all the lymphatic vessels of the body, excepting those on the right side of the head, neck, and thorax, and right upper extremity, the right lung, right side of the heart, and the convex surface of the liver.
The thoracic duct has several valves; at its termination it is provided with a pair, the free borders of which are turned toward the vein, so as to prevent the passage of venous blood into the duct.
They receive the lymph from the lower limbs, from the walls and viscera of the pelvis, from the kidneys and suprarenal glands and the deep lymphatics of the greater part of the abdominal wall.
www.bartleby.com /107/176.html   (867 words)

  
 Introduction: Lymphatic Disorders: Merck Manual Home Edition
Lymphatic vessels, located throughout the body, are larger than capillaries, and most are smaller than the smallest veins.
Thus, important functions of the lymphatic system are to remove damaged cells from the body and to provide protection against the spread of infection and cancer.
The lymphatic system may not perform its function adequately when the quantity of fluid is excessive or when the lymph vessels or nodes become blocked by a tumor or become inflamed.
www.merck.com /mmhe/ag/sec03/ch037/ch037a.html   (302 words)

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