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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 system works with the lymphatic system to keep the body healthy?

the lymphatic system and the skeletal system work together
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Why is the immune system an obstacle to organ transplantation?

The body triggers an immune response because it detects a foreign object in the body. It is the same concept of a splinter. The body detects it and tried to push it out because it knows it isn't supposed to be there. your brain isn't trained to know that an organ transplant is to help the body out so it just sees it as an invader

How does the composition of lymph in the cisterna chyli differ from that in the general lymphatic stream?

Composition of the lymph in the cisterna chyli has conduit for the lipid product of digestion.

General Lymphatic stream gets interstitial fluids and white blood cells, and goes through lymph nodes to be cleaned before sent back to the blood vessels to be carried back to the heart.

Contains FATTY lymph

What are the two major lymphatic vessels of the body?

The major lymphatic duct is the Thoracic Duct which returns lymph from the the whole body except from the right side of the head and the right arm/shoulder. These parts are drained by the Subclavian Trunk. Both vessels drain into the junction of the subclavian and jugular veins on their respective sides. Hope this helps! Aj :) The right lymphatic duct drains lymph from the right upper extremity, head, and thorax. This duct is not present in all. For those with no right lymphatic duct, the lymph trunks drain directly into the veins of the neck

Individuals with what virual infection are more vulnerable to developing non-Hodgkin's lymphomas?

Individuals infected with the AIDS virus have a higher likelihood of developing non-Hodgkin's lymphomas.

Do Lymph nodes occur in particular regions of the body?

Lymph nodes are in general areas of the neck near the jaw line, near the shoulder bades, and under the arms.

How is lymphatic circulation maintained?

Lymphocytes leave and enter lymph node via high endothelial venules. Lymph flow is slow so you have the muscular pump from skeletal muscles and the respiratory pump... similar to venous blood flow.

What systems are connected to the lymphatic system?

I generally like woman in a unfirom, whether or not all nurses are sexy is a different story. There are some sexy ones though and some well . not so fortunate

What part of the immune system does not target specific microbial invaders?

Certain types of white blood cells (the "fighter" cells in the immune system) do not have specific microbial targets. Phagocytes engulf a wide range of "foreign" invaders and destroy them. A form of phagocyte, eosinophil, secrete enzymes and destroy a wide range of pathogens. Macrophages also destroy a wide range of microbial invaders rather than having particular targets. Non-phagocytic cells which are non-specific are Basophils and Mast cells, using chemicals to destruct foreign bodies and restricting blood vessels respectively.

Do lymph capillaries have valves?

Veins are part of the circulatory system, not the lymphatic system. The two systems are very closely related. Your circulatory systems consists of the arteries which are taking blood from your heart to locations in your body, the veins that are taking blood from locations in your body back to your heart, and the capillaries that interconnect arteries and veins.

How it works is that blood goes from your arteries into capillaries, and then from your capillaries it will go to the different muscles and organs of your body. The fluids from your body tissues will go back into capillaries and then to veins which will take the blood back to the heart where it is re-oxygenated.

The lymphatic system runs very closely with the circulatory system, and is composed of fluid called lymph, rather than blood. Some of the fluids that exit your capillaries are not always taken completely back up into the capillaries at the vein end. This excess fluid goes into the lymphatics and is carried through the lymphatic ducts and nodes. The lymphatic ducts will eventually rejoin the circulatory system at your left subclavian vein. This is the point at which the vein system delivers the blood back to the heart. Lymphatics are important because this is where the majority of your immune cells are located.

What type of Lymph nodes are located along the sides of the neck?

The group of lymph nodes that are located along the sides of the neck are the Cervical Lymph Nodes. There are four that run along side of the neck.

How does the innate immune system interact with the adaptive immune system?

The complement system is a series of about 20 proteins that are involved in a cascade effect during an immune response. Complement is generally divided up into 3 pathways: classical, lectin, alternate. The classical pathway involves a complement protein binding to an antigen-antibody complex (and thus its role in adaptive immunity). Whereas in the alternate pathway, complement (C3) binds directly to the foreign cell( usaully bacteria). Thus its repsonse is non specific and therefore is also part of the innate imune system.

The method by which lymph is pushed through the lymph vessels is?

The contraction of certain muscles squeezes the lymph vessels, pumping lymph throughout the system

Where are a dog's lymph nodes?

They are part of the body's defense system. Not only do they fight both viral and bacterial infections, they also are a very important part of the immune system in that they manufacture antibodies that prevent infections as well. Copy & paste the below web address into your browser to see where they are: http://www5.google.com/imgres?imgurl=http://www.acm.uiuc.edu/sigbio/project/updated-lymphatic/node_p2.gif&imgrefurl=http://www.acm.uiuc.edu/sigbio/project/updated-lymphatic/lymph3.html&h=126&w=105&sz=65&tbnid=fRYjPPWYujgJ:&tbnh=126&tbnw=105&prev=/images%3Fq%3DLymph%2Bnodes&sa=X&oi=image_result&resnum=1&ct=image&cd=1

What are the results of a radical neck dissection?

The mortality rate for radical neck dissection can be as high as 14%. Morbidity rates are somewhat higher and are due to bleeding, post-surgery infection, and medicine errors.