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Lymphatic System 1
| Question | Answer |
|---|---|
| Function of Lymph | Fluid filtered by nodes collected by ducts before entering the R + L Subclavian veins and returning to blood system |
| Function of Lymph Capillaries | Work with blood to collect excess fluid, eventually to unite to form lymph vessels |
| How many layers do the lymph vessels have | 3, Outer fibrous tissue, mid layer elastic and muscular tissue inner endothelial cells |
| Relationship lymph and muscle systems | Drains away Lactic Acid |
| Function of the thoracic duct | Drain lymph from left side of head, neck and lower limb on left side |
| Right lymph duct empties into | Right subclavian vein |
| Lymph vessels open onto | Lymph nodes |
| Middle layer of lymph vessel is made up of | Muscular and elastic tissue |
| Structure of lymph capillaries | Blind ended permanable tubes composed of a single layer of endothelial tissue |
| Structure of lymph vessels | Thin walled collapsable vessels carrying lymph |
| Trabecular are located | Spleen and lymph nodes |
| Structure of the spleen | Outer capsule of fibrous tissue extending fibrous strands called trabeculae |
| Trabeculae are | Blind ended - filters lymph |
| Afferent vessels transport lymph | To nodes |
| Outer layer lymphatic vessels consists of | Fibrous tissue |
| Middle Layer lymphatic vessesl consists of | Muscular and elastic tissue |
| Inner layer lymphatic vessel consists of | Endothelial cells |
| What does lymph not contain | Erythrocytes |
| Where are the semi Lunar valves located | Lymph vessels |
| Where is the spleen positioned | Upper LHS of abdomen |
| What are lymph nodes made up of | Lymphatic tissue |
| What does spleen destroy | Thrombocytes and erythrocytes |
| Function of lymph vessels | Transport lymph towards heart |
| Lymphatic tissue contains | Phagocytes |
| All lymph nodes pass into | Lymph ducts |
| What is interstitial Fluid | Fluid outside capillaries that carries leucocytes and the passengers (o2, food + water) and collect CO2 + other wastes |
| Difference between blood capillaries and lymph capillaries are | Lymph capillaries have larger pores and lower pressure |
| What is the lyphathtic systems largest organ | Spleen |
| What are Peyer Patches | Lymphoid nodules on the outside of the small intestine |
| What is the function of the Peyer Patches | To destroy bacteria and stops from entering thru the walls of the intestines, absorbs fat cells and moves it into the digestive system |
| What is Hodgkins disease | Cancer of the lymphatic tissue (Lymphoma) |
| What is lymphodema | Blockage of the Lymph nodes |
| Where is the cystern chili positioned | Starts at the root of the neck and end where the thoracic duct ends |
| What 2 things filter lymph | The spleen and lymph nodes |
| What is not a function of the spleen | Forms new Leucocytes |
| Where are lymphocytes and antibodies contained in the lymph node | Cortex |
| Where is the secondary filtering system in the lymph nodes | Medulla (Middle of node) |
| How long is the right lymphatic duct | 1.5 cm long |
| How long is the Thoracic duct | 40 cm long(largest lymph vessel) |
| What is the function of the Left lymphatic duct | Receives all the drained lymph from the right side of head chest neck and from the right arm |
| What is the function of the Thoracic duct | Collects lymph from the left side of head neck and both lower limbs, left side of trunk and left arm |
| What other areas of body contain lymphatic tissue | Tonsils, spleen, thymus, appendix, peyer patches |
| Function of the lymphatic system | To transport waste blood cannot carry away from tissues add extra leucocytes and lymphocytes to blood |
| Where do the ducts empty into | Subclavian veins |
| What is the function of the lymphatic capillaries | To carry excess fluid away from tissue space |
| What is the structure of the lymphatic vessels | Thin walled collasible vessels similar to veins but carry lymph |
| Name the valve inside the lymphatic vessels | Semi Lunar |
| What is the function of the semi lunar valves | To keep lymph moving centripetally (direction of the heart)and to prevent back flow |
| Where else do lymph vessels pass thru apart from the lymph nodes | Subcutaneous tissue beneath the dermis |
| Phagocytes are contained in lymphatic tissue what is there function | White blood cells that engulf and destroy harmful (pathogenic) waste and bacteria |
| Lyphmocytes are contained in lymphatic tissue what is there function | White blood cells that produce antibodies |
| Where are the submandibular nodes located | Lower jaw |
| Where are the submental nodes located | Chin |
| Where are the suproclavicular nodes located | Neck |
| Where are the deep cervical nodes located | Top of spine |
| Where are the occipital nodes located | Base of skull |
| What cells determine the specific immune response to infections | Lymphocytes |
| What other system is the lymphatic system secondary to | Blood system |
| How does massage support the massage system | Assits in removal of waste, boosts immumity, reduces cellulite, reduces swelling |
| What is the main function of the spleen | The phagocytosis destroy worn out thrombocytes and erythrocytes |
| What organ acts as a blood reservoir | Spleen |
| What is one function of the lymph node | Remove and destroy large protein molecules and toxic substances |
| What is a function of the lymph node | To produce new lymphocytes and antibodies and add them to lymph as necessary |
| What becomes activated to form antibodies against a particular infection | Lymphatic tissue cells within the node |
| Interrealtionship between lymphatic and circulatory system | Transports excess waste and toxins |
| Interrealtionship between lymphatic and digestive system | Helps with the absorbtion of fats during digestion then transported around body and used as energy |
| Interrealtionship between lymphatic and Muscular system | Lactic acid is drained away in the lymphatic system |
| One of the functions of the spleen | Forms new lymphocytes |
| Where do cells divide to form new lymphocytes | Lymphatic tissue |
| In the lymph node what are inward strands of fibrous tissue called | Trabeculae |
| An afferent vessels transports lymph | To the node |
| An efferent vessel transports lymph | Back to the system |
| What sort of tissue is lymphatic tissue | Connective tissue |
| What is one function of the lymph | Adds lymphocytes to blood |
| How is lymph circulated | A combination of skeletal muscle contraction and valves |
| What is the function of lymph nodes | Filter lymph and produce new lymphocytes |
Created by:
Leanne Broderson